On December 21, 2025, Arthur Hayes moved $3.53 million in Ethereum and sent about $1.5 million to Galaxy. He also bought 1.22 million Ethena (ENA) tokens worth roughly $257,000, citing a rotation out of ETH into high-quality DeFi names across a little more than 24 hours.

Zcash’s ZEC is stabilizing on the daily timeframe as selling pressure eases and buyers defend support near $443.43 while the price engages major resistance around $454.99. Technical indicators, including moving averages and RSI, point to a shift from bearish control toward a more neutral-to-positive structure with upside levels at $645.44 and $699.00 in focus. Order book liquidity clustered in the low $440s and $430s on the bid side and between $455 and $465 on the ask side highlights an impending decision zone for the next directional move.

Uniswap's UNI has recovered on the daily chart and is holding above short-term supports while pushing into the mid-$6s. Key levels include resistance at $6.49–$6.66 and supports at $6.25–$6.13, with liquidity clustered near $6.31, $6, $5, $6.41, and $7.00. Momentum and moving averages signal a cautious trend transition.

BNB's daily trend remains fragile, with price below the 9- and 20-day EMAs and consolidating under dynamic resistance. Momentum shows a negative MACD with a shrinking histogram and an RSI under neutral, while bid walls in the low-$830s to mid-$840s counter overhead supply around $860 and toward $900.

Hilbert Group, a Sweden-based algorithmic crypto investment firm, has agreed to purchase high-frequency trading platform Enigma Nordic in a $32 million transaction. The deal combines newly issued shares and performance-based earn-outs, with Enigma required to generate $40 million in net income to unlock the full payout. Enigma has reported over 50 billion SEK (around $5.4 billion) in 2025 trading volume and a Sharpe ratio above 3.0, as Hilbert prepares to integrate the platform into its hedge fund and proprietary trading operations.

According to developer Edward Hennis on December 19, 2025, Ripple is preparing a protocol-native lending framework on the XRP Ledger with fixed rates and fixed maturities. Amendments are expected to enter validator voting in late January, and the design centers on Single Asset Vaults with designated administrators to manage underwriting and operations.

Uniswap's UNI advanced over 11% in the past 24 hours as governance activity and chart structure aligned. A vote running December 19–25 proposes burning 100 million UNI with a two‑day timelock and turning on fee switches, while AI agent payments and a KuCoin listing added catalysts. Price faces resistance near $6–$7, with potential targets at $7, $10 and $12 if buyers prevail.

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.