Moody's Brings Live Credit Ratings to Solana Blockchain

Moody's Ratings has embedded live credit ratings onto Solana (SOL), making it the first public blockchain to carry machine-readable risk data on-chain.

The Token Integration Engine, known as TIE, was deployed on Solana's mainnet on June 17 through Alphaledger, a tokenization platform for institutional fixed-income assets.

The engine writes ratings straight into the token metadata of tokenized bonds, allowing credit signals to move with the asset itself. It scores each rating off-chain using Moody's standard method and then pushes the result on-chain through Alphaledger.

This rollout scales a June 2025 devnet test that simulated a municipal bond issuance and wrote the resulting rating into the token's metadata. Moody's plans to widen TIE to corporate, sovereign, and structured finance instruments, as well as other chains, as tokenization grows.