• S&P Global Ratings joins forces with Chainlink to publish Stablecoin Stability Assessments (SSAs) on-chain for the first time.
• The initiative arrives as the stablecoin market surpasses $300 billion amid new U.S. regulations.
• The collaboration aims to bring transparency and institutional confidence to DeFi and on-chain financial systems.

S&P Global Ratings has entered a major collaboration with Chainlink, marking a new phase for blockchain-based finance. The partnership enables the publication of S&P’s Stablecoin Stability Assessments (SSAs) on-chain through Chainlink’s DataLink service. This move allows institutions, DeFi protocols, and developers to access real-time stablecoin stability data directly from smart contracts.

The timing aligns with a growing stablecoin sector that now exceeds $301 billion in market capitalization, up from $173 billion last year. The introduction of the GENIUS Act in July 2025 gave the U.S. its first regulatory framework for stablecoins, paving the way for large-scale institutional involvement.

With on-chain SSAs, investors can now evaluate risks such as liquidity, custody, and asset backing, helping them determine a stablecoin’s ability to maintain its fiat peg.

S&P’s system rates stablecoins on a scale from 1 (very strong) to 5 (weak), offering clarity for both traditional and decentralized investors seeking risk insights before adopting stablecoin-based products.

S&P Uses Chainlink to Add Ratings to Blockchain

The partnership utilizes Chainlink’s proven infrastructure that has supported over $25 trillion in on-chain transaction volume and secures close to $100 billion in DeFi TVL. By bringing its ratings on chain, S&P Global Ratings indicates that it will address the transparency requirements of institutional investors entering digital markets.

S&P’s Chief DeFi Officer, Chuck Mounts, noted that the move serves clients seeking trustworthy data in their current DeFi configurations. With the DataLink of Chainlink, banks may incorporate the evaluation of S&P into self-executing smart contracts in real time for enhanced risk management.

This integration may raise confidence levels of the 2,400+ institutions in the Chainlink ecosystem, allowing for greater stablecoin safe adoption in lending, settlement, and trade.

Expanding S&P’s Digital Finance Footprint

The new step is the latest in S&P’s increased activity in decentralized finance. Over the past few years, the company has launched crypto indexes, tokenized treasury bond grades, and DeFi-oriented indexes.

Now, SSAs are possible on a blockchain chain, so regulated institutions have a safe way to play blockchain markets thanks to S&P Global Ratings.

First released on Coinbase’s Base network, the service will be launched on additional blockchains dependent on demand. S&P currently evaluates 10 prominent stablecoins, such as USDT, USDC, and USDS/DAI by Sky Protocol.

Providing verified data directly to the blockchain, the partnership creates a bridge between traditional finance and DeFi and forges a clearer and more responsible digital economy.

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