On December 18, 2025, after issues on Polygon PoS, a Polymarket team member said in Discord the platform will prioritize building its own Layer 2 to reduce future disruptions. Posts on X noted services were restored, while Downdetector saw a spike in reports, with 86% tied to website access and 11% to login problems.

Intercontinental Exchange is in discussions to take a stake in MoonPay as part of a new funding round that could value the crypto payments company near $5 billion. MoonPay has been expanding into regulated custody via a New York Limited Purpose Trust Charter and broadening partnerships, while ICE builds its digital asset footprint through Bakkt, Polymarket and Chainlink.

PayPal said its PYUSD stablecoin will support USD.AI in extending credit and financing to AI companies, with loans disbursed in PYUSD for GPUs and data center buildouts. The partners plan a one‑year 4.5% rate on up to $1 billion in deposits starting early January as a customer incentive. The initiative accompanies broader PYUSD adoption and PayPal’s late‑October payments integration with OpenAI.

On December 18, 2025 in Geneva, TRON DAO announced that Kalshi, described as the world's largest prediction market platform, has integrated the TRON blockchain. The move allows domestic Kalshi users to deposit and withdraw TRX and USDT on TRON directly, while international users can access the integration through linked exchange accounts, expanding Kalshi's multichain liquidity and connection to the blockchain economy.

The U.S. Attorney’s Office for the Eastern District of Michigan said Wednesday that the FBI disrupted E-Note, a cryptocurrency cashout service allegedly used by cybercriminals. Prosecutors unsealed an indictment against Russian national Mykhalio Petrovich Chudnovets, who faces up to 20 years in prison, after investigators identified more than $70,000,000 in illicit proceeds moved through the platform.

SoFi Bank introduced SoFiUSD on December 18, 2025, positioning a USD-pegged, fully reserved stablecoin for banks and fintechs, according to a company statement. The firm says it runs on a public, permissionless blockchain with near-instant, 24/7 settlement, and reserves are held in cash at the Federal Reserve with 1:1 redemption.

On December 18, 2025, Chainlink announced a partnership with 24 major financial institutions to deploy an infrastructure aimed at improving corporate actions processing. The system uses the Chainlink oracle network, blockchains, and AI to extract, validate, and distribute corporate actions data across multiple chains. The initiative builds on a prior Phase 1 project and is moving into Phase 2, which targets faster, more accurate, and standardized delivery of corporate actions information for asset managers.

Forward Industries has tokenized its SEC-registered FWDI shares on Solana via Superstate’s Opening Bell platform, making them usable as collateral in decentralized finance. Ex-US shareholders can move their NASDAQ-listed equity into allowlisted Solana wallets and post it on Kamino to borrow stablecoins while retaining exposure to the underlying stock.