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.

Ethereum’s weekly active addresses have risen toward about 2.4 million, near historic highs. Analysts are monitoring a long-term rising support dating back to 2016 and a December monthly close level at $2,930 that could shape price direction. Some also flag potential downside targets at $2,000 and $1,100 if that threshold is lost.

JPMorgan's asset management arm is rolling out its first tokenized money market fund on the Ethereum blockchain, seeding the private MONY fund with $100 million before opening it to qualified investors. At the same time, traders are tracking Ethereum price levels around $2,600 as key downside support and $3,600 as a major resistance zone that could signal a breakout toward higher targets.

Strategy disclosed $989 million in net proceeds from ATM sales of common and preferred stock between Dec. 8 and Dec. 14, 2025, alongside a new purchase of 10,645 bitcoin for about $980.3 million. The company's filings sparked debate over dilution, while traders highlighted MSTR's 2024 support zone and watched key levels around $231 and a $340 "volume shelf" for a potential rebound.