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Aug 15 • 36 mins

What is a Non-custodial wallet?


In a rapidly evolving digital landscape, the concept of financial sovereignty has taken center stage. Amidst growing concerns over data privacy and security breaches, individuals are increasingly seeking alternatives to traditional custodial services. Enter non-custodial wallets, a revolutionary paradigm that empowers users with unparalleled control over their assets and data.

In this article, we explore the rising prominence of non-custodial wallets and their transformative impact on personal finance. Unlike conventional custodial wallets, which involve third-party control of private keys and assets, non-custodial wallets enable users to retain full ownership and agency over their funds. By utilizing blockchain technology and smart contract mechanisms, these wallets offer a decentralized and tamper-resistant solution, safeguarding users against potential hacks and breaches.

Join us as we delve into the benefits, challenges, and future prospects of non-custodial wallets, illuminating how they represent a pivotal step towards financial autonomy and self-determination in an increasingly digitized world.

What is a crypto wallet

A cryptocurrency wallet is a fundamental tool that allows users to securely store, send, and receive digital assets, such as Bitcoin, Ethereum, or other cryptocurrencies. Essentially, it functions as a digital equivalent of a traditional wallet, but instead of holding physical cash and cards, it holds private keys and public addresses associated with the user’s cryptocurrencies.

In the realm of cryptocurrencies, private keys are crucial cryptographic codes that grant ownership and control over specific digital assets. These keys must be kept confidential and secure, as they are used to sign transactions and provide access to the associated funds. Public addresses, on the other hand, are derived from the private keys and are used to receive or deposit funds into the wallet.

Crypto wallets come in various forms, catering to diverse user preferences and security requirements. They can be broadly categorized into two main types: custodial wallets and non-custodial wallets.

These wallets can be further subcategorized based on their access points, including desktop wallets, mobile wallets, hardware wallets, and web wallets. Desktop wallets are software applications installed on computers, mobile wallets are apps for smartphones, hardware wallets are physical devices that store private keys offline, and web wallets are accessible through web browsers.

How Crypto Wallets Work: Understanding Public & Private Keys

At the core of cryptocurrency wallets lie the concepts of public and private keys. These cryptographic keys play a pivotal role in facilitating secure transactions and asset management within the digital ecosystem.

  1. Private Keys: A private key is a complex and unique alphanumeric code generated by the wallet to serve as the user’s digital signature. It is akin to a secret password granting exclusive access to the user’s cryptocurrency holdings. Possession of the private key is essential for authorizing outgoing transactions from the wallet and ensuring complete control over the associated funds. As a result, safeguarding the private key becomes paramount to prevent unauthorized access and potential loss of assets.
  2. Public Addresses: Derived from the private key through a mathematical process, a public address is a unique alphanumeric string that serves as a destination for incoming transactions. While the public address is freely shared with others for receiving funds, it does not grant access to the wallet or the user’s holdings. This inherent one-way relationship between private keys and public addresses ensures a secure and transparent transaction process.

By comprehending the significance of public and private keys, users gain a deeper understanding of how crypto wallets operate securely, empowering them to engage confidently in the dynamic world of cryptocurrencies while maintaining control over their financial autonomy.

What is a custodial wallet?

A custodial wallet, also known as a hosted wallet, is a type of cryptocurrency wallet that relies on a third-party service provider to manage and secure the private keys and digital assets on behalf of the user. In this arrangement, the user delegates the responsibility of safeguarding the cryptographic keys and maintaining the funds to the custodian, which is usually a cryptocurrency exchange or a similar financial institution.

In a custodial wallet setup, users create accounts on the platform provided by the custodian, and the private keys associated with their cryptocurrency holdings are generated and stored by the custodian’s servers. This means that the user does not have direct control over the private keys, and the custodian becomes the custodian of the keys on the user’s behalf.

The main advantage of custodial wallets is their user-friendly nature and ease of use. Since the private keys are managed by the custodian, users do not have to worry about storing and securing their keys themselves, which can be a complex and potentially risky process for those unfamiliar with cryptocurrency security practices.

Additionally, custodial wallets often come with enhanced customer support, allowing users to seek assistance in case of any issues or concerns related to their accounts or transactions.

However, using a custodial wallet comes with significant trade-offs in terms of security and control. Since the custodian holds the private keys, the user is essentially trusting the platform with their funds. If the custodian experiences a security breach or suffers from internal malpractice, the user’s assets may be at risk of theft or loss.

Furthermore, custodial wallets contradict one of the core principles of cryptocurrencies – decentralization. In a decentralized system, individuals have full control over their funds and data, whereas custodial wallets reintroduce a centralized authority, which may limit user autonomy and expose them to potential vulnerabilities.

What is a non custodial wallet?

A non-custodial wallet, also known as a self-custody or decentralized wallet, is a type of cryptocurrency wallet that empowers users with complete control over their private keys and digital assets. Unlike custodial wallets, non-custodial wallets adhere to the core principles of decentralization, allowing users to be the sole custodians of their cryptographic keys and funds.

In a non-custodial wallet setup, the user generates their private keys within the wallet software or hardware device. These private keys are never transmitted to or stored on any external server controlled by a third-party service provider. As a result, the user maintains full ownership and responsibility for their assets.

The primary advantage of non-custodial wallets lies in their enhanced security and privacy. Since the private keys are exclusively in the hands of the user, the risk of potential hacking or unauthorized access is significantly reduced. This decentralized approach aligns with the ethos of cryptocurrencies, where trust in centralized intermediaries is minimized, and users can transact directly with one another.

Non-custodial wallets also provide users with a wide range of choices, as they are available in various forms, including software wallets (desktop and mobile), hardware wallets, and even paper wallets. Software wallets are convenient for everyday transactions, while hardware wallets offer an added layer of security by keeping private keys offline, away from potential online threats.

However, non-custodial wallets also present challenges and responsibilities for users. With complete control over their private keys, users must ensure their safekeeping to avoid the risk of loss or theft. Losing access to the private keys could result in permanent loss of funds, as there is no central authority to recover or reset them.

Furthermore, technical knowledge and awareness of best security practices are essential for users to confidently manage their non-custodial wallets. This can be a barrier for newcomers to the cryptocurrency space who may be more accustomed to traditional financial systems where third-party institutions handle security on their behalf.

Custodial vs Non-Custodial Wallet Comparison

1. Private key ownership

Custodial Wallets: In custodial wallets, the service provider holds and manages the private keys on behalf of the user. Users do not have direct access to their private keys, which means they rely on the custodian to execute transactions.


  • Convenient for beginners or users with limited technical knowledge.
  • Easier account recovery through the custodian in case of lost passwords or access issues.


  • Lack of full control over funds; users must trust the custodian’s security measures.
  • Increased risk of potential hacks or internal breaches, exposing users to financial loss.

Non-Custodial Wallets: Non-custodial wallets grant users complete ownership of their private keys, as the keys are generated and stored locally within the wallet. Users have full control over their assets and can directly sign transactions.


  • Enhanced security and autonomy; users have complete control over their funds.
  • Reduced risk of theft since private keys are not held by a centralized entity.


  • Increased responsibility for safeguarding private keys; users must take appropriate security measures.
  • Potential loss of funds if private keys are lost or forgotten, as there is no central authority to recover them.

2. Transaction type

Custodial Wallets: Typically, custodial wallets support a wide range of transactions, including buying, selling, and trading cryptocurrencies on integrated platforms. Some custodial wallets may also facilitate fiat-to-crypto conversions.


  • Seamless integration with exchanges and trading platforms, offering a user-friendly experience.
  • Easy access to various cryptocurrency services within a single platform.


  • Limited control over transactions, as users rely on the custodian’s supported services and APIs.
  • Potential restrictions on specific cryptocurrencies or features based on the custodian’s policies.

Non-Custodial Wallets: Non-custodial wallets enable users to perform peer-to-peer transactions directly on the blockchain, empowering them to interact with decentralized applications (DApps) and engage in on-chain activities.


  • Unrestricted access to the entire cryptocurrency ecosystem, including DeFi applications.
  • Flexibility to engage in any on-chain transaction without intermediaries.


  • Potential complexity for beginners, as on-chain interactions may involve higher transaction fees and gas costs.
  • Limited integration with centralized services and exchanges, requiring additional steps for certain transactions.

3. Security

Custodial Wallets: Custodial wallets implement security measures to protect user funds stored on their servers. Users must trust the custodian’s security practices and protocols.


  • Security measures are handled by the custodian, providing a sense of assurance for some users.
  • Some custodial services offer insurance or compensation for lost funds due to security breaches.


  • Centralized storage of funds creates a single point of failure susceptible to hacking attempts.
  • Users may become targets of phishing attacks or social engineering to gain access to their accounts.

Non-Custodial Wallets: Non-custodial wallets inherently prioritize security by giving users control over their private keys. The risk of unauthorized access or hacking is significantly reduced.


  • Enhanced security through local storage of private keys, minimizing the risk of external breaches.
  • Users have the option to use hardware wallets, further enhancing security by keeping keys offline.


  • Users bear sole responsibility for securing their private keys, leaving room for potential human error.
  • Hardware wallet loss or damage can lead to the irretrievable loss of funds.

4. Backup and recovery possibility

Custodial Wallets: Custodial wallets often provide straightforward account recovery options, such as password reset mechanisms and two-factor authentication (2FA).


  • Simplified account recovery process through the custodian’s support team.
  • Reduces the risk of funds being permanently inaccessible due to lost keys or passwords.


  • Over-reliance on the custodian for account recovery, which may raise privacy concerns.
  • Some custodians may have complex account recovery procedures that involve KYC verification.

Non-Custodial Wallets: Non-custodial wallets require users to diligently back up their private keys or recovery phrases securely. This empowers users to restore access to their wallets independently.


  • Self-sovereign control over wallet recovery, eliminating the need to involve a third party.
  • Users can implement their own backup strategies for added redundancy.


  • Users must take responsibility for securely backing up and storing private keys or recovery phrases.
  • If private keys or recovery phrases are lost, funds may be irretrievable.

5. Offline accessibility

Custodial Wallets: Custodial wallets are typically web-based or app-based, requiring an internet connection to access and manage funds. The user’s ability to interact with the wallet depends on the custodian’s online services.


  • Accessibility from various devices with an internet connection.
  • Real-time updates and access to funds anytime, anywhere.


  • Susceptibility to online security risks, such as phishing attacks or data breaches.
  • Dependency on custodian uptime and availability.

Non-Custodial Wallets: Non-custodial wallets can be both online and offline, depending on the type. Hardware wallets, in particular, offer offline access by keeping private keys offline and isolated from potential online threats.


  • Enhanced security against online attacks due to offline storage options.
  • Users have more control over when and where they interact with their wallet.


  • Offline access requires carrying a hardware wallet or having access to a secure offline device.
  • Online non-custodial wallets may still face potential risks, such as phishing attacks.

6. Future scope

Custodial Wallets: Custodial wallets primarily focus on providing a seamless user experience and are often integrated with additional financial services, such as lending, staking, and fiat-to-crypto conversions.


  • Potential for additional financial services within the custodial platform.
  • Regular updates and feature enhancements to improve user experience.


  • Dependence on the custodian’s roadmap and willingness to support new features.
  • Users may encounter policy changes that affect the availability or accessibility of certain services.

Non-Custodial Wallets: Non-custodial wallets remain at the forefront of the decentralized finance (DeFi) movement, enabling users to access a broader range of decentralized applications and protocols.


  • Continuous expansion of DeFi and DApp ecosystems offer diverse financial opportunities.
  • Greater alignment with the principles of decentralization and financial sovereignty.


  • Potential technical complexities for newcomers to the DeFi space.
  • Users must exercise caution when interacting with new or untested protocols.

7. On-chain Transactions

Custodial Wallets: Custodial wallets primarily facilitate off-chain transactions within their own platform or exchanges. Users may not have direct control over on-chain transactions.


  • Quick and user-friendly transactions within the custodial platform.
  • Seamless integration with the custodian’s trading services.


  • Limited control over on-chain interactions and transactions.
  • Users may face transaction delays due to the custodian’s internal processes.

Non-Custodial Wallets: Non-custodial wallets support direct on-chain transactions, allowing users to interact with smart contracts and execute decentralized operations.


  • Unrestricted access to the full potential of blockchain technology and DeFi protocols.
  • Users can explore and engage with the broader cryptocurrency ecosystem.


  • Potential learning curve for those new to on-chain interactions and gas costs.
  • Users must remain vigilant to avoid unauthorized or fraudulent smart contract interactions.

8. KYC

Custodial Wallets: Custodial wallet providers often implement KYC procedures, requiring users to undergo identity verification to access certain services or higher transaction limits.


  • Compliance with regulatory requirements and fraud prevention.
  • Added layer of security to combat illicit activities on the platform.


  • User data privacy concerns, as KYC requires sharing sensitive personal information.
  • KYC procedures may limit accessibility for users who prioritize privacy.

Non-Custodial Wallets: Non-custodial wallets generally do not require KYC, as they prioritize user privacy and anonymity. However, some DeFi protocols or services may enforce KYC independently.


  • Preserves user privacy and maintains the principle of pseudonymous transactions.
  • No risk of potential data breaches associated with KYC processes.


  • Limited access to certain DeFi services that require KYC compliance.
  • Potential regulatory challenges for non-KYC-compliant services.

9. Creating a new account

Custodial Wallets: Creating an account on a custodial wallet platform typically involves providing basic information, such as an email address, and setting up authentication measures.


  • Simple and quick registration process for new users.
  • Immediate access to the custodial platform’s services and features.


  • Users must entrust personal information to the custodian, raising privacy concerns.
  • Less emphasis on educating users about private key management and security.

Non-Custodial Wallets: Creating a new account in a non-custodial wallet involves generating a private key or recovery phrase. Users must securely store and protect this information.


  • Users maintain full control over their private keys and funds from the start.
  • Increased awareness of private key security and best practices.


  • Requires greater responsibility for secure private key storage and management.
  • Potential risk of loss if users fail to backup or safeguard their private keys.

Top 10 Examples

Non-custodial wallets enable users to maintain sole ownership of their private keys, ensuring a decentralized and autonomous approach to managing cryptocurrencies. 

Ledger Nano X

Ledger Nano X is a hardware wallet that has garnered a reputation for its robust security features and offline storage capabilities. As a non-custodial wallet, it empowers users with complete control over their private keys, which are stored offline on the device. With support for a wide array of cryptocurrencies, including Bitcoin, Ethereum, and many altcoins, Ledger Nano X offers versatility to crypto enthusiasts seeking to diversify their holdings securely. The wallet’s intuitive interface and seamless compatibility with desktop and mobile devices make it an excellent choice for both beginners and experienced users.


  • State-of-the-art security features for protecting private keys offline.
  • Extensive compatibility with a wide range of cryptocurrencies.
  • Intuitive user interface suitable for users of all experience levels.


  • Initial cost of the hardware wallet may be a deterrent for some users.
  • Requires the physical device for accessing funds, which may not be suitable for individuals constantly on the move.

Trezor Model T

Trezor Model T is another leading hardware wallet that emphasizes secure offline storage and user autonomy. As a non-custodial solution, it allows users to maintain control over their private keys and interact directly with blockchain networks. The Trezor Model T supports multiple cryptocurrencies and employs robust encryption to safeguard digital assets. With its large touchscreen display and straightforward setup process, Trezor Model T offers an exceptional user experience while ensuring top-notch security.


  • Offline storage of private keys provides enhanced security against online threats.
  • Wide range of supported cryptocurrencies for diversified portfolio management.
  • User-friendly touchscreen interface and intuitive setup process.


  • Hardware wallet cost may be prohibitive for some users.
  • Users must ensure the physical safety of the device to avoid potential loss or damage.


MetaMask is a renowned non-custodial wallet that serves as a browser extension and a mobile app, primarily designed for Ethereum and its ecosystem of decentralized applications (DApps). As an Ethereum wallet, MetaMask enables users to interact directly with smart contracts, participate in decentralized finance (DeFi) protocols, and seamlessly access Ethereum-based tokens. Users retain control over their private keys, providing them with a sense of security and autonomy.


  • Convenient browser extension and mobile app for easy access to DApps and Ethereum services.
  • Full control over private keys for a decentralized and autonomous experience.
  • Integration with DeFi protocols, empowering users to participate in yield farming and liquidity provision.


  • Limited support for non-Ethereum cryptocurrencies.
  • Ethereum network congestion may lead to slower transactions and higher fees during peak periods.

Trust Wallet is a mobile-based non-custodial wallet that supports a broad range of cryptocurrencies and tokens. Acquired by Binance, Trust Wallet provides users with complete control over their private keys, ensuring security and autonomy in managing their assets. The wallet’s user-friendly interface and seamless integration with decentralized exchanges (DEXs) and DeFi protocols have contributed to its widespread adoption.


  • Mobile app for convenient asset management on the go.
  • Wide support for various cryptocurrencies and tokens.
  • Integration with DEXs and DeFi platforms for enhanced financial opportunities.


  • As a mobile wallet, it may be more susceptible to certain mobile security risks.
  • Some users may prefer a desktop-based wallet for a larger screen and ease of use.


Exodus is a popular software wallet that offers a non-custodial solution for desktop and mobile users. It supports various cryptocurrencies, making it an excellent choice for managing diverse portfolios. Exodus prioritizes user privacy and security, enabling users to maintain full control over their private keys while offering a visually appealing and easy-to-navigate interface.


  • Attractive user interface with a straightforward setup process.
  • Support for a wide range of cryptocurrencies and tokens.
  • Seamless integration with desktop and mobile platforms for easy access.


  • Limited support for certain niche cryptocurrencies.
  • Users should exercise caution when accessing the wallet on shared or public computers.

MyEtherWallet (MEW)

MyEtherWallet, commonly known as MEW, is a non-custodial web-based wallet specifically designed for Ethereum and ERC-20 tokens. As a client-side wallet, MEW enables users to create and manage their Ethereum wallets while keeping full control over their private keys. The wallet allows users to interact directly with the Ethereum blockchain, participate in ICOs, and access decentralized applications.


  • Direct interaction with the Ethereum blockchain for easy participation in token sales and DApps.
  • Support for a wide range of ERC-20 tokens and Ethereum-based assets.
  • Complete control over private keys, enhancing security and autonomy.


  • As a web-based wallet, users must exercise caution to avoid phishing attempts and malicious websites.
  • Ethereum network congestion may lead to transaction delays and higher gas fees.

Atomic Wallet

Atomic Wallet is a multi-platform wallet that provides a non-custodial solution for managing cryptocurrencies. Offering desktop and mobile versions, Atomic Wallet supports a diverse array of cryptocurrencies and tokens. It boasts atomic swaps, allowing users to exchange cryptocurrencies directly within the wallet without relying on third-party exchanges. Additionally, the wallet offers staking capabilities for selected assets, enabling users to earn rewards by participating in proof-of-stake networks.


  • Multi-platform support, enabling users to manage assets on desktop and mobile devices.
  • Atomic swap feature for direct peer-to-peer cryptocurrency exchanges.
  • Staking capabilities for select cryptocurrencies, providing passive income opportunities.


  • Some users may prefer a single-platform wallet for simplicity and security.
  • Limited support for certain lesser-known cryptocurrencies.

Edge Wallet

Edge Wallet is a privacy-centric mobile-based wallet that puts a strong emphasis on user privacy and security. Users maintain full control over their private keys and can easily access and manage their digital assets from their mobile devices. Edge Wallet supports a variety of cryptocurrencies, making it a versatile choice for users with diverse holdings.


  • Privacy-focused wallet design for increased anonymity and data protection.
  • Mobile app for convenient access to cryptocurrencies on the move.
  • User-friendly interface suitable for newcomers to the cryptocurrency space.


  • As a mobile wallet, it may be more exposed to potential mobile security risks.
  • Limited support for certain niche cryptocurrencies.

Samourai Wallet

Samourai Wallet is a privacy-oriented Bitcoin wallet available for Android devices. As a non-custodial wallet, it prioritizes confidentiality and anonymity for its users. Samourai Wallet incorporates advanced privacy features, including coin mixing through the Whirlpool protocol, which helps obfuscate transaction trails and improve user privacy.


  • Advanced privacy features for enhanced confidentiality and anonymity
  • Available exclusively for Android, ensuring a focused and optimized user experience.
  • Full control over private keys and Bitcoin transactions.


  • Not available on iOS or desktop platforms, limiting accessibility for users on different devices.
  • Advanced privacy features may be complex for newcomers to the cryptocurrency space.

Wasabi Wallet

Wasabi Wallet is another privacy-focused Bitcoin wallet available for desktop platforms. It emphasizes transaction privacy through the CoinJoin protocol, enabling users to mix their coins with others to improve anonymity. As a non-custodial wallet, Wasabi Wallet ensures that users maintain full control over their private keys and Bitcoin holdings.


  • CoinJoin protocol for transaction mixing, enhancing privacy and confidentiality.
  • Desktop-based wallet for users who prefer a larger screen and added security.
  • Complete control over private keys, providing full autonomy in managing Bitcoin funds.


  • Limited support for non-Bitcoin cryptocurrencies.
  • Desktop-based wallets may require more diligent security practices.

These top 10 non-custodial wallets offer a range of features, from robust security measures to advanced privacy features, ensuring that users have the tools they need to safeguard their digital assets effectively. However, users must remain vigilant in adhering to best security practices, such as securely backing up their private keys and exercising caution when interacting with blockchain networks and decentralized applications.

So…What Wallet Should You Choose?


Choosing the right cryptocurrency wallet is a critical decision that significantly impacts the security and accessibility of your digital assets. With a myriad of options available, finding the ideal wallet tailored to your needs and preferences requires thoughtful consideration. Here’s a guide to help you make an informed choice based on the key aspects discussed earlier.

  1. Security and Control: If utmost security and control over your funds are paramount, non-custodial wallets like Ledger Nano X, Trezor Model T, and MetaMask are excellent choices. These hardware and software wallets offer offline storage of private keys, minimizing the risk of online threats and ensuring full ownership of your cryptocurrencies.
  2. User-Friendliness: For beginners or users seeking a user-friendly experience, custodial wallets like Coinbase and Binance can be attractive options. They offer seamless onboarding, customer support, and integrated services, simplifying cryptocurrency management for those new to the space.
  3. Ethereum and DeFi: If you primarily interact with the Ethereum blockchain and decentralized applications, non-custodial wallets like MetaMask, Trust Wallet, and MyEtherWallet provide direct access to the Ethereum ecosystem and various DeFi protocols.
  4. Diverse Portfolio Management: For users with a diverse portfolio of cryptocurrencies, non-custodial wallets like Exodus, Atomic Wallet, and Edge Wallet offer broad support for various assets, enabling easy management from a single interface.
  5. Privacy and Anonymity: Privacy-oriented users may opt for wallets like Samourai Wallet and Wasabi Wallet, which prioritize transaction anonymity and confidentiality through advanced privacy features.

Ultimately, the best wallet for you depends on your individual preferences, risk tolerance, and desired level of involvement in the cryptocurrency ecosystem. Whether you choose a custodial or non-custodial wallet, it’s crucial to prioritize security by following best practices like securing backup phrases, using hardware wallets for significant holdings, and staying informed about potential risks.


Choosing the right wallet is essential to ensure the security, control, and accessibility of your digital assets. Custodial and non-custodial wallets each offer distinct advantages, catering to diverse user preferences and needs. While custodial wallets provide convenience and support for newcomers, non-custodial wallets empower users with complete control over their funds, aligning with the fundamental principles of decentralization and financial autonomy.

At ND Labs, we understand the significance of finding a wallet that fits your unique requirements. With our expertise and experience in the blockchain and cryptocurrency domain, we stand ready to help you navigate this rapidly growing industry.

As a leading tech firm with a vast portfolio and in-depth knowledge, ND Labs can develop a custom non-custodial wallet tailored to your specifications. Whether you’re a novice or an experienced cryptocurrency enthusiast, our team is equipped to deliver a secure and user-friendly wallet solution that aligns with your goals.

Let ND Labs be your trusted partner on your cryptocurrency journey. Our commitment to excellence and innovation ensures that you have a cutting-edge non-custodial wallet that enhances your digital asset management experience.

Take control of your financial future. Reach out to ND Labs today and let us craft a bespoke non-custodial wallet solution that empowers you with the ultimate control and security over your cryptocurrency holdings.

Contact ND Labs now to discuss your non-custodial wallet requirements and embark on a secure and seamless crypto journey. Your digital assets deserve the best care and protection, and our team is here to deliver exactly that. Trust in ND Labs to make your cryptocurrency management experience exceptional.

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    About the author

    Dmitry K.

    CEO and Co-founder of ND Labs
    I’m a top professional with many-year experience in software development and IT. Founder and CEO of ND Labs specializing in FinTech industry, blockchain and smart contracts development for Defi and NFT.

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