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Web3/DeFi
Decentralized applications, smart contracts, and blockchain finance
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🎯 Domains
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+$30k-
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Difficult
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Web3/DeFi domain knowledge covers smart contract development (Solidity, Rust), decentralized application (dApp) architecture, DeFi protocols (lending, DEXes, staking), tokenomics, and blockchain security. Despite market volatility, the infrastructure layer of Web3 continues growing with institutional adoption. Understanding blockchain architecture, smart contract security, and decentralized finance mechanics opens doors to one of the highest-paying niches in tech, where senior smart contract engineers command $200k-$400k+.