Validate cryptocurrency and blockchain addresses offline — Bitcoin, Ethereum, Solana, Monero, XRP, Cardano, Avalanche, NEAR, Aptos, Zcash, Tron and more. Regex + cryptographic checksum verification, TypeScript-first, zero network calls.
LLM hallucination detection toolkit — claim-level verification via NLI, self-consistency, and LLM-as-judge