MATCH Marzel7/flex — Claude (Anthropic AI) committed security fixes to a Solana trading bot repo that previously had leaked crypto wallet private keys (TRADING_KEYPAIR), Helius API keys, and Jupiter API keys exposed in commit 4f544b7. MATCH TaoSeekAI/agentfilecoin — Claude AI (claude@anthropic.com) committed documentation files containing hardcoded Ethereum private keys in hex format directly into the repository's markdown files. MATCH angrymushroom/cardanodevsuite — Claude (Anthropic AI) committed a hardcoded Blockfrost API key for the Cardano preprod testnet into source code, and the diff shows the key being refactored from inline usage to a module-level constant. MATCH dashmfer/App-Market — Claude authored a commit that removed a Solana keypair's secret key (mintKeypairBytes) from being sent to the client in a token-launch deploy endpoint, which previously exposed the full private key as an array of bytes. MATCH comfybear71/flub — Claude authored a commit that removes a hardcoded Helius API key ('b81f2789-b697-4987-83f5-6f7e0d24538e') from client-side JavaScript code, replacing it with a server-side proxy pattern. MAYBE haeseoky/coin-erc20 — Claude authored a commit that removes a hardcoded Hardhat test private key (0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80) from README.md in an ERC-20 token project.