MSCI is reviewing whether to remove MicroStrategy and dozens of other listed companies with large digital asset holdings from its indices, with a decision expected by January 15. Analysts estimate this move could trigger up to $2.8 billion in outflows from MicroStrategy-linked funds and as much as $10–15 billion across affected firms, potentially impacting Bitcoin volatility and the viability of crypto-heavy treasury strategies.

On December 21, VanEck amended its AVAX spot ETF filing to introduce a staking component that would allocate 70% of the fund's AVAX to staking through Coinbase Crypto Services, subject to implementation. The planned structure includes a 4% service fee on staking rewards, aiming to improve yield, while Avalanche trades around $12 with a multi-billion-dollar market capitalization and notable recent price declines. The proposal has yet to receive formal confirmation from VanEck or regulators, leaving market participants to speculate on its potential impact on AVAX demand and ETF design.

World Liberty Financial has put forward a proposal to allocate up to 5% of WLFI token reserves to support the USD1 stablecoin partnership, targeting strategic collaborations and liquidity incentives. The plan has sparked disagreement among token holders over potential effects on WLFI's price and the interests of investors, particularly with about 80% of tokens reported as locked. As of December 20, 2025, WLFI is priced at $0.13 with a market cap near $3.59 billion and a 45.58% drop over the previous 90 days, while trading volume has fallen sharply in the last 24 hours.

On December 20, Tether CEO Paolo Ardoino announced via social media that the company is recruiting a Chief Software Engineer to lead development of an AI-powered mobile cryptocurrency wallet using its open-source Wallet Development Kit and the QVAC AI platform. The planned non-custodial wallet is intended to improve user control over digital assets through AI-driven personalization, while analysts are cautiously watching how this initiative could influence Bitcoin and stablecoin market dynamics.

VanEck filed a third amendment with the SEC for a spot Avalanche (AVAX) ETF, seeking a Nasdaq listing under the ticker VAVX. The filing sets a 0.30% management fee and names Coinbase Crypto Services for staking, Anchorage Digital Bank as primary custodian, and State Street for cash. It also references Coinbase Custody for secondary services.

Gemini, joined by more than 125 organizations, has asked the U.S. Congress to retain the Genius Act's original language to preserve stablecoin reward programs. The coalition argues that curbing rewards would weaken competition and user incentives across platforms such as Gemini, Kraken, and Coinbase. The Genius Act was passed in June 2025.

Uniswap is holding a final governance vote on its Fee Switch Activation Proposal from December 19 to December 26. If approved, a two-day timelock would precede a burn of 100 million UNI and the activation of v2 and v3 mainnet fee switches, affecting LP earnings. UNI was $5.31 with a $3.35 billion market cap on December 20, 2025, per CoinMarketCap.

Arthur Hayes has moved 508.647 ETH, valued at about 1.50 million US dollars, to Galaxy Digital, a transaction tracked by LookIntoChain. At the same time, his family office Maelstrom is buying high-quality altcoins during market pullbacks, while he maintains a prediction that Bitcoin could eventually reach 1,000,000 US dollars. Ethereum's recent price performance and trading metrics further frame market reactions to Hayes' latest moves.

Bybit, the Dubai-based cryptocurrency exchange, is resuming UK operations on December 19 after a two-year suspension by operating under Archax's FCA-compliant framework. The collaboration enables access to 100 spot cryptocurrency trading pairs, including assets such as Bitcoin and Ethereum, with zero deposit and withdrawal fees via Archax. Bitcoin's market dominance, price performance and broader regulatory alignment in the UK may shape how users engage with this newly regulated trading venue.