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Programming & Development blockchain, nft, cryptocurrency, tokens

Blockchain, NFT & Cryptocurrency

$50/hr Starting at $500

Build secure, scalable blockchain solutions with professional blockchain, NFT, cryptocurrency, and token development services. We help businesses, startups, and entrepreneurs create decentralized applications, smart contracts, digital assets, and blockchain ecosystems that are built for long-term growth and security.


Whether you're launching a new crypto project, NFT marketplace, DeFi platform, or enterprise blockchain solution, every project is tailored to your business goals and technical requirements.


Our Blockchain Services Include:


  • Custom blockchain development

  • Smart contract development

  • NFT marketplace development

  • NFT minting solutions

  • ERC-20 token development

  • ERC-721 & ERC-1155 token development

  • BEP-20 token development

  • Cryptocurrency development

  • Wallet integration

  • Token launch assistance

  • ICO, IDO & IEO support

  • DeFi application development

  • Web3 integration

  • Blockchain API integration

  • Smart contract auditing

  • Blockchain security consulting

  • Crypto payment gateway integration

  • Technical documentation

  • Deployment support

  • Ongoing maintenance and updates


Our Development Process


Every project begins with understanding your business model, blockchain objectives, target users, token utility, and long-term roadmap.


A suitable blockchain platform is selected based on your project requirements, scalability needs, transaction costs, and security considerations.


Smart contracts are developed using secure coding standards to automate transactions, token management, NFT functionality, staking mechanisms, governance features, and other blockchain operations.


Where required, decentralized applications (dApps), cryptocurrency wallets, NFT marketplaces, payment systems, and Web3 integrations are developed to create a complete blockchain ecosystem.


Security remains a priority throughout development, with smart contract reviews, vulnerability assessments, access control implementation, and best practices applied to reduce operational risk.


Extensive testing is performed to verify smart contract execution, blockchain interactions, wallet connectivity, transaction processing, and platform stability before deployment.


Final deliverables may include smart contracts, blockchain applications, source code, deployment assistance, technical documentation, testing reports, token configuration, and post-launch support.


Whether you need a cryptocurrency, NFT platform, DeFi application, token ecosystem, or enterprise blockchain solution, every project is designed to provide secure, scalable, and future-ready blockchain technology.


Share your blockchain platform, project concept, token requirements, timeline, and business objectives to discuss your blockchain, NFT, cryptocurrency, or token development project.

About

$50/hr Ongoing

Download Resume

Build secure, scalable blockchain solutions with professional blockchain, NFT, cryptocurrency, and token development services. We help businesses, startups, and entrepreneurs create decentralized applications, smart contracts, digital assets, and blockchain ecosystems that are built for long-term growth and security.


Whether you're launching a new crypto project, NFT marketplace, DeFi platform, or enterprise blockchain solution, every project is tailored to your business goals and technical requirements.


Our Blockchain Services Include:


  • Custom blockchain development

  • Smart contract development

  • NFT marketplace development

  • NFT minting solutions

  • ERC-20 token development

  • ERC-721 & ERC-1155 token development

  • BEP-20 token development

  • Cryptocurrency development

  • Wallet integration

  • Token launch assistance

  • ICO, IDO & IEO support

  • DeFi application development

  • Web3 integration

  • Blockchain API integration

  • Smart contract auditing

  • Blockchain security consulting

  • Crypto payment gateway integration

  • Technical documentation

  • Deployment support

  • Ongoing maintenance and updates


Our Development Process


Every project begins with understanding your business model, blockchain objectives, target users, token utility, and long-term roadmap.


A suitable blockchain platform is selected based on your project requirements, scalability needs, transaction costs, and security considerations.


Smart contracts are developed using secure coding standards to automate transactions, token management, NFT functionality, staking mechanisms, governance features, and other blockchain operations.


Where required, decentralized applications (dApps), cryptocurrency wallets, NFT marketplaces, payment systems, and Web3 integrations are developed to create a complete blockchain ecosystem.


Security remains a priority throughout development, with smart contract reviews, vulnerability assessments, access control implementation, and best practices applied to reduce operational risk.


Extensive testing is performed to verify smart contract execution, blockchain interactions, wallet connectivity, transaction processing, and platform stability before deployment.


Final deliverables may include smart contracts, blockchain applications, source code, deployment assistance, technical documentation, testing reports, token configuration, and post-launch support.


Whether you need a cryptocurrency, NFT platform, DeFi application, token ecosystem, or enterprise blockchain solution, every project is designed to provide secure, scalable, and future-ready blockchain technology.


Share your blockchain platform, project concept, token requirements, timeline, and business objectives to discuss your blockchain, NFT, cryptocurrency, or token development project.

Skills & Expertise

BinanceBitcoinBlockchainCardanoCryptocurrencyDigital WalletDogecoinEnterprise SoftwareEthereumHarmony ONESmart ContractsSolanaSolidity

195 Reviews

  • Preet 48 says,

    Ken is highly reliable, professional, and consistently maintains a high standard of quality in everything he does. His dedication and integrity made the entire process seamless.

    for Social Media Marketing/Sales Specialist on Jun 26, 2026

  • Robert_Krantz says,

    Ken was great to work with. On time. Great execution of what I needed and fast. You will be happy working with him.

    for FILWS Data Scraping on Jun 23, 2026

  • Robert_Krantz says,

    Ken is great! Detail oriented. Fast. Great results. Highly recommend him.

    for FILWS Data Scraping on Jun 18, 2026

  • ScienceTeacher says,

    Ken and his associates were hired to create an Microsoft Access Database for us to manage visitors to our museum. He is accessible by phone and e-mail and has excellent communication skills. The database he created manages payments, invoices, schedules it on our calendar with one click, e-mails confirmations, and produces reports in one easy to use design. There were some edits that needed to happen to work out the kinks but he stuck with the project until it worked 100% and fulfilled the requirements as we described in our project description. When hiring on GURU, having a clear project description and supporting examples of any kind, with clear needs and outcomes on GURU is important.

    for MS Access Field Trip Booking and Invoice on May 06, 2026

  • robert 1123 says,

    we keep coming back very easy to work with and budget friendly.

    for sending and receiving payments on Mar 31, 2026

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