BitMine purchased more than 64,000 ETH valued at approximately $200 million across two transactions on December 5-6, according to blockchain data. The acquisitions, processed through BitGo and FalconX, bring the firm's total Ethereum holdings to 3.73 million ETH—worth over $11 billion at current prices. The company now ranks as the second-largest corporate cryptocurrency holder after MicroStrategy.

Western Union is building blockchain payment infrastructure on Solana, including its own stablecoin and digital wallet system. The money transfer company is targeting high-inflation markets where traditional currencies rapidly lose purchasing power. The firm's Digital Asset Network is scheduled to launch in the first half of 2025.

Terra Luna Classic surged 90% within 24 hours, ranking second among trending tokens on CoinMarketCap. Short liquidations exceeded $5.19 million over 12 hours, while the weekly token burn rate reached 427 billion LUNC. The rally broke a month-long descending channel but faced rejection near $0.00007088, a level last seen in July.

Ethereum futures traders on Binance pushed the Taker Buy/Sell Ratio to 0.998 this week, the highest reading in four months following the December 3 Fusaka network upgrade. The metric rebounded from a recent low of 0.945, indicating increased long positioning. ETH trades around $3,130, up 3.3% over the past week.

Grayscale has filed an S-1 registration statement with the SEC for the Grayscale Sui Trust, a spot ETF designed to track SUI token prices. The filing comes shortly after 21Shares launched a 2x leveraged Sui ETF on Nasdaq under ticker TXXS. SUI traded at $1.53 at press time, down 5.01% over 24 hours.

BitMine Immersion Technologies purchased 22,676 ETH valued at $68.67 million on December 6, according to blockchain data. The acquisition follows a December 5 purchase of 41,946 ETH worth $130.78 million, bringing the company's total accumulation to over 64,000 ETH worth approximately $199 million within 24 hours.

Ethereum activated its Fusaka hard fork on December 3, 2025, introducing EIP-7825, which limits individual transactions to 30 million gas to prevent any single transaction from monopolizing block capacity. The change enables predictable zero-knowledge proof processing with worst-case verification times under five seconds. ZK systems can now handle blocks containing 100–200 million gas in real time, supporting Ethereum's scaling objectives, according to Michael Dong, co-founder of Brevis ZK co-processor.

Grayscale submitted an S-1 registration to the SEC for the Grayscale Sui Trust, a spot ETF that would hold SUI tokens. The filing follows 21Shares' Tuesday launch of a leveraged SUI fund on Nasdaq. Both products reflect expanding institutional interest in blockchain-focused exchange-traded vehicles beyond Bitcoin and Ethereum.