9 Important skills for blockchain developers 

Solid Understanding of Blockchain Technology 

A comprehensive understanding of how blockchain operates, including its underlying data structures, consensus mechanisms, cryptographic principles, and the concept of decentralization.

Blockchain Platforms 

Understanding of various blockchain systems, including their special features and development environments, including Ethereum, Hyperledger Fabric, Binance Smart Chain, Cardano, and Polkadot.

Smart Contract Development 

Expertise in developing, testing, and deploying smart contracts utilizing programming languages such as Solidity (for Ethereum) or others depending on the blockchain platform.

Cryptographic Skills

Understanding of cryptographic algorithms, digital signatures, and encryption techniques used to secure data and transactions on the blockchain.

Programming Languages 

Proficiency in programming languages like JavaScript, Python, Go, or Rust, depending on the blockchain platform and development requirements.

Web3 Development 

For smart contracts and blockchain networks to work with web apps, you need to know how to use Web3.js (for Ethereum) or similar tools for other blockchains.

Wallet Development 

Expertise in creating bitcoin wallets, including both software and hardware wallets, with an emphasis on security and usability.

Testing and Debugging 

The capacity to proficiently compose thorough unit tests, conduct code audits, and efficiently debug smart contracts and blockchain systems.

API Integration 

Capability to integrate blockchain applications with external services, APIs, or oracles for real-world data interaction. 

5 Impact of 5G Technology on Indian Computing and Connectivity