Vitalik Buterin backed EIP 7864, aiming to lift Ethereum's smart contract size cap. In 2025, Layer 2 activity concentrated around leading rollups such as Base, while ETH stalled below $3,000 with a noted support area near $2,800. A recent chart snapshot showed price around $2,931 amid defined resistance bands.

Bitcoin is approaching a record $23.6 billion options expiry on Dec. 26, with positions clustered near key strikes that could reshape dealer hedging and short term volatility. At the same time, spot Bitcoin ETFs in the US are seeing sustained net outflows and price is consolidating around $87,106 within a tight range marked by resistance near $90,647 and support around $83,986. How flows and liquidity evolve after the holiday period may determine whether the market extends its weakness or sets up for a sharper reversal.

VanEck's mid-December on-chain study indicates long-term Bitcoin holders are transferring coins to newer participants. On Dec. 23, Daan Crypto Trades noted BTC traded near $87,545 while its 4H 200 EMA was around $91,102 and the 4H 200 MA near $89,201, keeping price below both gauges.

On Dec. 18, the Ethereum Foundation published 2026 security milestones for zkEVMs, introducing the soundcalc tool and targeting 128-bit provable security with strict proof size limits. Over the same period, ETH traded near $3,030 on an 8-hour Binance chart as traders watched a long-running descending trendline that has limited rebounds since October and a potential upside target at $4,220.

Coin Bureau highlighted Bitcoin's realized price near $56,000 as a bear-case threshold. Benjamin Cowen noted cycle durations of 1,067, 1,059, and 1,062 days, while a Binance liquidation heatmap showed heavy liquidity in the low $100,000s and near $110,000, plus a lower cluster in the low to mid $70,000s. A TradingView weekly BTCUSDT chart indicated $88,122 on OKX on Dec. 21, 2025, implying roughly a 55% drop toward $56,240.

Ethereum is trading around $2,977 while on-chain data highlights large transfers between Binance's Eth2 staking wallets and repeated tests of a key support zone. A separate liquidation heatmap points to dense leverage clusters above $3,000, leaving traders watching whether ETH can hold support and push into that area.

Swift said in late September 2025 it began designing a shared blockchain ledger with a group of 30+ banks and will prototype it with Consensys. At the same time, Ethereum’s exchange supply ratio is about 0.137, marking its lowest reading since 2016, while charts show ETH near $2.9K.

Three newly created Bitcoin wallets moved about 2,509 BTC from a FalconX hot wallet within 24 hours, totaling roughly $221 million. A macro chart linking BTC with the ISM PMI argues the strongest rallies arrive with economic expansion, while Bitcoin dominance is testing resistance that some view as a potential trigger for altcoin rotation.

On Dec. 17, Vitalik Buterin urged simplifying Ethereum's protocol to widen independent understanding and strengthen trust. Separately, an ETH whale shifted about $1.8 billion into seven new wallets after unstaking, according to X user TedPillows. Data charted by CryptoQuant indicate exchange-held ETH has dropped to its lowest share since 2016.