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.

Tether faces renewed scrutiny after former BitMEX CEO Arthur Hayes questioned its reserve strategy, warning that sharp declines in Bitcoin and gold holdings could eliminate the stablecoin issuer's equity buffer. CoinShares countered by highlighting Tether's $6.8 billion surplus and nearly $10 billion in profits through the first nine months of the year, arguing the company remains financially sound despite concerns.