On December 18, Polygon Foundation reported a disruption on the Polygon PoS network that affected certain RPC nodes but did not stop block production. The team attributed the issue to a faulty validator proposal, deployed patches for node operators, and confirmed that operational RPC nodes continued to process transactions. Following the incident, the POL token fell about 4%, while separate market data showed it trading at $0.11 with a market cap of $1.13 billion and deeper declines over the past 24 hours and 90 days.

On December 17, Ripple and AMINA Bank unveiled a partnership to integrate Ripple Payments for 24/7 real-time cross-border settlement, with AMINA described as the first European bank to adopt the service. The collaboration seeks to reduce correspondent-banking friction and improve stablecoin settlement capabilities for crypto-native enterprises.

Binance co-founder He Yi has introduced a reward program offering up to $5 million for credible evidence of fraud or insider trading involving listing agents. The initiative is designed to deter fake intermediaries, reinforce that Binance does not charge listing application fees, and respond to market concerns highlighted by the sharp decline in Ronin's token price. Ronin has seen a 28% drop in 24 hours and a 36.59% fall over 30 days, with its market cap at $113 million and price at $0.16 as of December 17, 2025.

On December 15, Anatoly Aksakov said Russia will not recognize cryptocurrencies as legal tender, limiting them to investment use. The State Duma's stance aligns with the central bank's opposition to crypto payments and reinforces ruble-only settlement rules. Earlier Finance Ministry ideas on exchange oversight and taxation signal differing views within government.

On December 17, the FDIC approved a notice of proposed rulemaking for payment stablecoins, opening a public comment process. The plan outlines how insured banks could apply to issue stablecoins through subsidiaries and aligns with the federal GENIUS Act. Acting Chairman Travis Hill highlighted security and robustness as priorities.

Coinbase plans to list Theoriq (THQ) on December 17 for spot trading once liquidity requirements are fulfilled, following confirmations from KuCoin, Kraken and BingX. THQ, an AI-native liquidity and yield protocol token, is trading at $0.09 with a $12.44 million market cap and a $29.84 million 24-hour volume, while its price shows a -49.77% change.

JPMorgan Chase has introduced the tokenized My OnChain Net Yield Fund on Ethereum with $100 million in internal seed capital, targeting institutional and high-net-worth investors. The fund, operated by JPMorgan Asset Management via the Kinexys platform, tokenizes money market fund shares and focuses on bond-based assets. Ethereum's role in on-chain financial products continues to grow as its market value and dominance evolve amid recent price declines.

On December 12, 2025 Nasdaq said MicroStrategy will retain its Nasdaq 100 membership after the annual adjustment, with changes effective December 22. The firm, led by Executive Chairman Michael Saylor, holds 660,624 Bitcoins and maintains a Bitcoin-centered treasury approach, drawing mixed reactions from analysts who note both growing corporate adoption and ongoing volatility risks.

Coinbase plans to partner with Kalshi to roll out an internal prediction market that uses USDC and is safeguarded by Coinbase Custody, according to CNBC sources. The announcement could arrive as early as next week; as of December 13, 2025, USDC was priced at $1.00 per CoinMarketCap.