Hire an Expert Blockchain Developer now in India
BlockchainDevs is the #1 Marketplace for Freelance Web3 Developers.
Developer filters
Showing 41 developers. Reset filters
- India
- 2-5 years experience
Hi I am a Smart contract developer with 1 year of experience
Hi, I am Debrup Chatterjee. I have been in the Blockchain space for 1.5 years now. And I havw worked on blockchains such as Ethereum, Binance and Tezos. I have done a few internships prior and am currently looking to work part time/ contractually to any corporation in the role of Blockchain Developer/Auditor/ Researcher. I am currently doing my M.Tech in Cryptology and Security from one of the most premier institute of India, the Indian Statistical Institute, Kolkata. I have the right technological and educational background for any jobs in the field of Blockchain. I am proficient in the language such as JavaScript, Solidity, C and am currently learning languages such as Rust, Go.
- India
- 0-2 years experience
I am a tech enthusiast. I am a fast learner and I always try to develop my skills. I have been fortunate enough to be a part of many tech teams through which I have experienced working with different technologies. I am passionate about coding and I can completely dedicate myself to a task given to me.
Hi there! I'm a Harsha Johny with an experience based in web3. I'm an expert at developing my skills and have significant experience using web3. I've worked on various projects that gave me the opportunity to learn about different technologies, especially blockchain. For example, I created a decentralised app that could organise the achievements or projects of a person and verify them for the recruiters so that none of the achievements goes unseen and recruiters could get genuine candidates. I'm currently looking for a part-time job as a backend developer. If you're interested in working together, please contact me.
- India
- 2-5 years experience
Dedicated, passionate and enthusiastic Web3 specific developer
Hi there! I'm a FrontEnd/Contract Developer with 1.5 years of professional experience based in India. I'm an expert at React and major web3 libraries. I've worked on various Blockchain projects for grant, for hackathons and for DAOs. My greatest strength is that Im very passionate about programming, I actually love writing code and solving complex problems to design smart immersive functionality. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a FrontEnd or a smart Contract developr. If you're interested in working together, please contact me.
- India
- 0-2 years experience
Aspiring for something high in life that can be accomplished by everyone's grace.
Hi there! I'm a Backend Developer with [1] years of professional experience based in [Pune, Maharashtra]. Previously I've worked as a [Associate SDE] at [Bajaj Fineserv Health]. I'm an expert at [NodeJs, Java, ] and have significant experience using [Kafka, Redis, Docker]. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a [Engineering Role]. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Teal
- Cadence
- Ink
- Ride
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 5 years+ experience
Blockchain Developer With Smart Contract Expertise
Hi there! I'm a Developer with over 5 years of professional experience. Previously, I've worked as a Blockchain Developer at Mechlin Software Technologies. I'm an expert at developing innovative blockchain solutions and have significant experience using Solidity and Stellar, Cadence and many more. I've worked on various Blockchain projects professionally, including marketplaces for cryptocurrencies and NFTs, audio transcription Web3 platforms, proxy contracts, and crypto exchanges with built-in wallet features. For example, I led the development of a smart contract for a decentralized marketplace that facilitated the exchange of NFTs, ensuring secure and transparent transactions for users. I'm currently looking for a full-time position as a Blockchain Developer. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Metaverse
- Solidity
- Vyper
- Yul
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Tron
- Vechain
- Tezos
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 0-2 years experience
I’ve wanted to become an industry expert. I hope to increase my technical knowledge in this position while providing solutions and improvements to common industry problems. In the long run, I aspire to contribute significantly to industry development and optimization to create something that would genuinely improve the lives of thousands. Upon joining the company, I hope to develop my skills in a challenging environment, work within a team, and provide efficient solutions. A managerial position will allow me to apply my leadership skills while making crucial decisions within five years. By 40, I hope to have reached an executive place so that I can contribute actively to the company's successAnd also I have worked on the different blockchain like Ethereum, polygon, and Solana minted some of the NFT on the other networks so I promise you the decision of selecting me won't be wrong
Currently, I'm working as a blockchain developer My responsibilities include: ï‚· Writing the smart contract on the Ethereum network. ï‚· Deploying the NFT on the blockchain (opensea) ï‚· worked with infura, pinata , ipfs And also I have worked on the different blockchains like Ethereum, polygon, and Solana minted some of the NFT on the other networks skills: solidity, nodejs, truffle
- India
- 2-5 years experience
I have no programming experience in Web3, but I intend to learn it from all sides to increase my knowledge level to be a good Web3 developer one day.
Hi there! I'm a Senior Automation Developer with more than 7 years of professional experience based in India. Previously I've worked as a Dot net developer at Atos, Econship Pvt Ltd. I'm an expert at Python and have significant experience using Python in Automation and Web Development. I've worked on few Blockchain projects in my spare time. For example I created a smart contract which could used as a governance to build a smart city. I'm currently looking for a PART TIME / FULL TIME / FREELANCER as a Blockchain Developer. If you're interested in working together, please contact me.
- DeFi
- dApps
- Solidity
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 0-2 years experience
Junior Blockchain Developer
I have been in this crypto field for around 4 years. I am learning blockchain development and want to make a career out of it. Previously I worked as a technical content writer for multiple web3 firms.
- India
- 0-2 years experience
a web3 Developer
Hi there! I'm a Blockchain Developer based in India. I'm an expert at [solidity] and have significant experience using [Etheres.js]. I've worked on various Blockchain projects [IN MY SPARE TIME or PROFESSIONALLY]. For example, I created a [SMART CONTRACT WHICH let's user to mint an nft of the product it purchase I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a [blockchain Developer]. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Solidity
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 5 years+ experience
I am a hands on Architect who has worked on Small to Big size companies and have worked both in product based and services companies for over 24 years now. Still a hands on developer/Architect and enthusiastic about new technologies like Blockchain.
Hi there! I'm a Hands-on Technical Architect with 23 years of professional experience based in Bangalore, India. Previously I've worked as a Principal Architect at Envestnet Yodlee for 10 years, as Technical Architect at Tata Consultancy Service for over 6 years, worked as Program Manager for 4 years in SeE Consulting Pvt Ltd (Startup) and as a Senior Programmer for over 3 years in Innovators India Digital Technologies. I'm an expert at Java and Solidity and have significant experience using Java, Spring/Spring-boot, Microservices Architecture, Apache Kafka, MongoDB and Oracle . I've worked on various Blockchain projects IN MY SPARE TIME. For example I created and published Cyrpto coin GFT (Gift Coin) on pancake swap. Knowledge on building Smart contracts with Solidity. Built smart contract using Solidity. Tested with Ganache using Metamask and deployed using Truffle. Have created a prototype on Multichain to solve deduplication problem in storing financial transactions. I'm currently looking for a FULL TIME / FREELANCER as a Developer/Senior Developer/Architect. If you're interested in working together, please contact me.
- India
- 0-2 years experience
Full Stack Developer ( Mern Stack ) | Golang | Blockchain Developer
Full Stack Developer with Knowledge of MERN Stack, Knowledge of Golang: Concurrency and Microservices, Blockchain Developer ( 3 Month Internship Exp )
- India
- 2-5 years experience
Problem-solver.Passionate.Tech-Enthusiast
Hi there! I'm a Full stack developer with 1+ years of professional experience based in India. I have significant experience using ReactJS, Typescript, Java, Python, SCSS, Redux. I've worked on various Blockchain projects in my spare time. I'm currently looking for a part time or freenlacing job as a blockchain developer. If you're interested in working together, please contact me.
- India
- 0-2 years experience
A Naturally Curious Individual always on the search for Interesting Projects and Opportunities
Hi there! I'm a Smart Contract Dev with 2 years of experience based in Bangalore. I'm an expert at Solidity, Python, C, JavaScript and have significant experience using Hardhat, OpenZeppelin. I've worked on various Blockchain projects in my spare time. For example I created a smart contracts for an Insurance Service On chain. It involved contracts that used ERC 721 tokens, ERC 20 tokens and voting contracts. I'm currently looking for Part time roles as a Smart Contracts Developer. If you're interested in working together, please contact me. CANDYSHOP
- India
- 0-2 years experience
I am interested in Blockchain Technology and currently learning a
Hi there! I'm a Smart contract developer(fresher) based in India. I'm an learning smart contract development and have significant experience using nodejs, ethers.js. I'm currently looking for a PART TIME / FREELANCER as a solidity smart contract developer. If you're interested in working together, please contact me.
- India
- 0-2 years experience
I am a Smart contract developer and part time Bug bounty hunter.
Hi there! I'm Kunal Mishra with 1 year of professional experience based in India. Previously I've worked as an independent security researcher at BUgcrowd,Yeswe hack and Hackerone. I'm an expert at web development and pentesting and have significant experience using HTML,Python,Javascript,Solidity etc.. I've worked on immenufi as a security researcher and I have to find bugs in smart contracts and report to them. I'm currently looking for a PART TIME JOB on hour basis as a Smart contract developer /Auditor. If you're interested in working together, please contact me.
- India
- 0-2 years experience
A technology enthusiast, with great interest in blockchain, Web Development, and Web3
A technology enthusiast, with great interest in blockchain, Web Development, and Web3
- India
- 0-2 years experience
Fullstack Blockchain Developer
Hi there! I'm a Dinesh and I'm Freelancer and Fullstack blockchain Developer. I'm good at solidity and have significant experience using Next and hardhat for developing the full stack Dapps. I've worked on various Blockchain projects. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a Full stack developer. If you're interested in working together, please contact me and i will share more details about me.
- India
- 0-2 years experience
We deal in Web3
Hi there! I'm a Blockchain Developer with almost 1 year of experience based in India. Previously I've worked as a Web3 Content Analyst (Internship) I'm an expert at Solidity and have significant experience using ReactJS. I've worked on various Blockchain projects for example I created a NFT game in which you have to mint a NFT with certain attributes and fight with the boss. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a Blockchain Developer. If you're interested in working together, please contact me.
- India
- 2-5 years experience
Interested in Developing something revolutionary in the todays world .
Hi there! I'm a Vishwanath with 3+ years of professional experience based in Bangalore,INDIA. Previously I've worked as a Software Developer at Effia Soft Technologies. I'm familiar with programming languages like JAVA,KOTLIN,SOLIDITY,JAVASCRIPT and recently have been working on Frame work like HARDHAT, I have significant experience in developing Android applications. I've worked on various Blockchain projects along with my current JOB as iam very much enthusiastic about getting into WEB3 development. For example I created a SMART CONTRACT like - Project name (Fund Me ) *Deployed on Ethereum Rinkeby Testnet which is used to take funding from the public - Current Project name (Raffle On) *Raffle smartcontract is a decentralized and untamperable raffle app using HARDHAT framework and also CHAINLINK for the VRF2 and chain-link keepers for automation of the contract . I'm currently looking for a [PART TIME / FREELANCER] as a WEB3 /Solidity developer as iam continuously learning and i can work for almost 20 to 30 hours /week . If you're interested in working together, please contact me.
- India
- 0-2 years experience
Solidity Smart contract, Ethereum Blockchain,Remix IDE,
Have gained good exposure to understand various aspects of Blockchain through Post Graduate Program which has developed a great sense of confidence at a very personal level. Technologies know 1. Basics of blockchain 2.Ethereum blockchain and deployment the smart contract on Ethereum 3 .solidity. I'm currently looking for new opportunity in blockchain aspects
- India
- 2-5 years experience
Hi I am a Smart contract developer with 1 year of experience
Hi, I am Debrup Chatterjee. I have been in the Blockchain space for 1.5 years now. And I havw worked on blockchains such as Ethereum, Binance and Tezos. I have done a few internships prior and am currently looking to work part time/ contractually to any corporation in the role of Blockchain Developer/Auditor/ Researcher. I am currently doing my M.Tech in Cryptology and Security from one of the most premier institute of India, the Indian Statistical Institute, Kolkata. I have the right technological and educational background for any jobs in the field of Blockchain. I am proficient in the language such as JavaScript, Solidity, C and am currently learning languages such as Rust, Go.
- India
- 0-2 years experience
I am a tech enthusiast. I am a fast learner and I always try to develop my skills. I have been fortunate enough to be a part of many tech teams through which I have experienced working with different technologies. I am passionate about coding and I can completely dedicate myself to a task given to me.
Hi there! I'm a Harsha Johny with an experience based in web3. I'm an expert at developing my skills and have significant experience using web3. I've worked on various projects that gave me the opportunity to learn about different technologies, especially blockchain. For example, I created a decentralised app that could organise the achievements or projects of a person and verify them for the recruiters so that none of the achievements goes unseen and recruiters could get genuine candidates. I'm currently looking for a part-time job as a backend developer. If you're interested in working together, please contact me.
- India
- 2-5 years experience
Dedicated, passionate and enthusiastic Web3 specific developer
Hi there! I'm a FrontEnd/Contract Developer with 1.5 years of professional experience based in India. I'm an expert at React and major web3 libraries. I've worked on various Blockchain projects for grant, for hackathons and for DAOs. My greatest strength is that Im very passionate about programming, I actually love writing code and solving complex problems to design smart immersive functionality. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a FrontEnd or a smart Contract developr. If you're interested in working together, please contact me.
- India
- 0-2 years experience
Aspiring for something high in life that can be accomplished by everyone's grace.
Hi there! I'm a Backend Developer with [1] years of professional experience based in [Pune, Maharashtra]. Previously I've worked as a [Associate SDE] at [Bajaj Fineserv Health]. I'm an expert at [NodeJs, Java, ] and have significant experience using [Kafka, Redis, Docker]. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a [Engineering Role]. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Teal
- Cadence
- Ink
- Ride
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 5 years+ experience
Blockchain Developer With Smart Contract Expertise
Hi there! I'm a Developer with over 5 years of professional experience. Previously, I've worked as a Blockchain Developer at Mechlin Software Technologies. I'm an expert at developing innovative blockchain solutions and have significant experience using Solidity and Stellar, Cadence and many more. I've worked on various Blockchain projects professionally, including marketplaces for cryptocurrencies and NFTs, audio transcription Web3 platforms, proxy contracts, and crypto exchanges with built-in wallet features. For example, I led the development of a smart contract for a decentralized marketplace that facilitated the exchange of NFTs, ensuring secure and transparent transactions for users. I'm currently looking for a full-time position as a Blockchain Developer. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Metaverse
- Solidity
- Vyper
- Yul
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Tron
- Vechain
- Tezos
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 0-2 years experience
I’ve wanted to become an industry expert. I hope to increase my technical knowledge in this position while providing solutions and improvements to common industry problems. In the long run, I aspire to contribute significantly to industry development and optimization to create something that would genuinely improve the lives of thousands. Upon joining the company, I hope to develop my skills in a challenging environment, work within a team, and provide efficient solutions. A managerial position will allow me to apply my leadership skills while making crucial decisions within five years. By 40, I hope to have reached an executive place so that I can contribute actively to the company's successAnd also I have worked on the different blockchain like Ethereum, polygon, and Solana minted some of the NFT on the other networks so I promise you the decision of selecting me won't be wrong
Currently, I'm working as a blockchain developer My responsibilities include: ï‚· Writing the smart contract on the Ethereum network. ï‚· Deploying the NFT on the blockchain (opensea) ï‚· worked with infura, pinata , ipfs And also I have worked on the different blockchains like Ethereum, polygon, and Solana minted some of the NFT on the other networks skills: solidity, nodejs, truffle
- India
- 2-5 years experience
I have no programming experience in Web3, but I intend to learn it from all sides to increase my knowledge level to be a good Web3 developer one day.
Hi there! I'm a Senior Automation Developer with more than 7 years of professional experience based in India. Previously I've worked as a Dot net developer at Atos, Econship Pvt Ltd. I'm an expert at Python and have significant experience using Python in Automation and Web Development. I've worked on few Blockchain projects in my spare time. For example I created a smart contract which could used as a governance to build a smart city. I'm currently looking for a PART TIME / FULL TIME / FREELANCER as a Blockchain Developer. If you're interested in working together, please contact me.
- DeFi
- dApps
- Solidity
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 0-2 years experience
Junior Blockchain Developer
I have been in this crypto field for around 4 years. I am learning blockchain development and want to make a career out of it. Previously I worked as a technical content writer for multiple web3 firms.
- India
- 0-2 years experience
a web3 Developer
Hi there! I'm a Blockchain Developer based in India. I'm an expert at [solidity] and have significant experience using [Etheres.js]. I've worked on various Blockchain projects [IN MY SPARE TIME or PROFESSIONALLY]. For example, I created a [SMART CONTRACT WHICH let's user to mint an nft of the product it purchase I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a [blockchain Developer]. If you're interested in working together, please contact me.
- DeFi
- NFT
- dApps
- Solidity
- Teal
- Cadence
- Ink
- Ride
- Ethereum
- Binance smart chain
- Avalanche
- Near protocol
- Nervos network
- Hedera
- Flow
- Waves
- Syscoin
- India
- 5 years+ experience
I am a hands on Architect who has worked on Small to Big size companies and have worked both in product based and services companies for over 24 years now. Still a hands on developer/Architect and enthusiastic about new technologies like Blockchain.
Hi there! I'm a Hands-on Technical Architect with 23 years of professional experience based in Bangalore, India. Previously I've worked as a Principal Architect at Envestnet Yodlee for 10 years, as Technical Architect at Tata Consultancy Service for over 6 years, worked as Program Manager for 4 years in SeE Consulting Pvt Ltd (Startup) and as a Senior Programmer for over 3 years in Innovators India Digital Technologies. I'm an expert at Java and Solidity and have significant experience using Java, Spring/Spring-boot, Microservices Architecture, Apache Kafka, MongoDB and Oracle . I've worked on various Blockchain projects IN MY SPARE TIME. For example I created and published Cyrpto coin GFT (Gift Coin) on pancake swap. Knowledge on building Smart contracts with Solidity. Built smart contract using Solidity. Tested with Ganache using Metamask and deployed using Truffle. Have created a prototype on Multichain to solve deduplication problem in storing financial transactions. I'm currently looking for a FULL TIME / FREELANCER as a Developer/Senior Developer/Architect. If you're interested in working together, please contact me.
- India
- 0-2 years experience
Full Stack Developer ( Mern Stack ) | Golang | Blockchain Developer
Full Stack Developer with Knowledge of MERN Stack, Knowledge of Golang: Concurrency and Microservices, Blockchain Developer ( 3 Month Internship Exp )
- India
- 2-5 years experience
Problem-solver.Passionate.Tech-Enthusiast
Hi there! I'm a Full stack developer with 1+ years of professional experience based in India. I have significant experience using ReactJS, Typescript, Java, Python, SCSS, Redux. I've worked on various Blockchain projects in my spare time. I'm currently looking for a part time or freenlacing job as a blockchain developer. If you're interested in working together, please contact me.
- India
- 0-2 years experience
A Naturally Curious Individual always on the search for Interesting Projects and Opportunities
Hi there! I'm a Smart Contract Dev with 2 years of experience based in Bangalore. I'm an expert at Solidity, Python, C, JavaScript and have significant experience using Hardhat, OpenZeppelin. I've worked on various Blockchain projects in my spare time. For example I created a smart contracts for an Insurance Service On chain. It involved contracts that used ERC 721 tokens, ERC 20 tokens and voting contracts. I'm currently looking for Part time roles as a Smart Contracts Developer. If you're interested in working together, please contact me. CANDYSHOP
- India
- 0-2 years experience
I am interested in Blockchain Technology and currently learning a
Hi there! I'm a Smart contract developer(fresher) based in India. I'm an learning smart contract development and have significant experience using nodejs, ethers.js. I'm currently looking for a PART TIME / FREELANCER as a solidity smart contract developer. If you're interested in working together, please contact me.
- India
- 0-2 years experience
I am a Smart contract developer and part time Bug bounty hunter.
Hi there! I'm Kunal Mishra with 1 year of professional experience based in India. Previously I've worked as an independent security researcher at BUgcrowd,Yeswe hack and Hackerone. I'm an expert at web development and pentesting and have significant experience using HTML,Python,Javascript,Solidity etc.. I've worked on immenufi as a security researcher and I have to find bugs in smart contracts and report to them. I'm currently looking for a PART TIME JOB on hour basis as a Smart contract developer /Auditor. If you're interested in working together, please contact me.
- India
- 0-2 years experience
A technology enthusiast, with great interest in blockchain, Web Development, and Web3
A technology enthusiast, with great interest in blockchain, Web Development, and Web3
- India
- 0-2 years experience
Fullstack Blockchain Developer
Hi there! I'm a Dinesh and I'm Freelancer and Fullstack blockchain Developer. I'm good at solidity and have significant experience using Next and hardhat for developing the full stack Dapps. I've worked on various Blockchain projects. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a Full stack developer. If you're interested in working together, please contact me and i will share more details about me.
- India
- 0-2 years experience
We deal in Web3
Hi there! I'm a Blockchain Developer with almost 1 year of experience based in India. Previously I've worked as a Web3 Content Analyst (Internship) I'm an expert at Solidity and have significant experience using ReactJS. I've worked on various Blockchain projects for example I created a NFT game in which you have to mint a NFT with certain attributes and fight with the boss. I'm currently looking for a [PART TIME / FULL TIME / FREELANCER] as a Blockchain Developer. If you're interested in working together, please contact me.
- India
- 2-5 years experience
Interested in Developing something revolutionary in the todays world .
Hi there! I'm a Vishwanath with 3+ years of professional experience based in Bangalore,INDIA. Previously I've worked as a Software Developer at Effia Soft Technologies. I'm familiar with programming languages like JAVA,KOTLIN,SOLIDITY,JAVASCRIPT and recently have been working on Frame work like HARDHAT, I have significant experience in developing Android applications. I've worked on various Blockchain projects along with my current JOB as iam very much enthusiastic about getting into WEB3 development. For example I created a SMART CONTRACT like - Project name (Fund Me ) *Deployed on Ethereum Rinkeby Testnet which is used to take funding from the public - Current Project name (Raffle On) *Raffle smartcontract is a decentralized and untamperable raffle app using HARDHAT framework and also CHAINLINK for the VRF2 and chain-link keepers for automation of the contract . I'm currently looking for a [PART TIME / FREELANCER] as a WEB3 /Solidity developer as iam continuously learning and i can work for almost 20 to 30 hours /week . If you're interested in working together, please contact me.
- India
- 0-2 years experience
Solidity Smart contract, Ethereum Blockchain,Remix IDE,
Have gained good exposure to understand various aspects of Blockchain through Post Graduate Program which has developed a great sense of confidence at a very personal level. Technologies know 1. Basics of blockchain 2.Ethereum blockchain and deployment the smart contract on Ethereum 3 .solidity. I'm currently looking for new opportunity in blockchain aspects