http://quickexpgxtyxalax7kfy4f3mntpjpqrfizwksogvtsgehkbkttuosid.onion/blog/guide/smart-contracts
But bugs or lax audits can lead to hacks, so thorough testing is a must, per 2025 DeFi exploit data. Which Cryptocurrencies Support Smart Contracts? Ethereum, Solana, Cardano, Binance Smart Chain, and Conflux lead the pack.