Use this skill for any cryptocurrency or blockchain-related task. Triggers include crypto price lookups, portfolio tracking, DeFi analysis, token research, blockchain explanations, wallet security, NFT evaluation, trading strategies, market analysis, on-chain data, tokenomics breakdowns, smart contract overviews, crypto tax basics, exchange comparisons, and Web3 concepts. Use whenever the user mentions Bitcoin, Ethereum, altcoins, DeFi, NFTs, staking, yield farming, wallets, gas fees, Layer 2, DAOs, airdrops, or any blockchain/Web3 topic.