On 20 December 2025, a crypto user mistakenly transferred nearly $50 million in USDT to a scam-controlled wallet by copying a spoofed address from their transaction history. Investigators describe this as an address poisoning attack, where the malicious address closely mimicked a legitimate one, leading the victim to send a successful test payment before moving the full amount. Analysts note that the incident is part of a wider rise in onchain losses and highlights how behavioral exploits can bypass technical safeguards.

In 2025, Dfinity Foundation vice president Lomesh Dutta told Cointelegraph that AI-powered no-code apps on decentralized blockchains could weaken AWS cloud dominance and cut dependence on centralized servers. AWS outages in April and on Oct. 20 disrupted Binance, KuCoin, MEXC and Coinbase for about 15 hours, highlighting the gap between crypto’s decentralization narrative and its underlying infrastructure.

On December 20, Tether CEO Paolo Ardoino announced via social media that the company is recruiting a Chief Software Engineer to lead development of an AI-powered mobile cryptocurrency wallet using its open-source Wallet Development Kit and the QVAC AI platform. The planned non-custodial wallet is intended to improve user control over digital assets through AI-driven personalization, while analysts are cautiously watching how this initiative could influence Bitcoin and stablecoin market dynamics.

On December 20, 2025, a crypto investor mistakenly sent $50 million in USDT to a poisoned address. Within 30 minutes, the funds were swapped to DAI and then 16,690 ETH, with 16,680 ETH routed through Tornado Cash; on-chain timestamps show a 0.005 USDT test and the large transfer minutes apart.

A crypto user mistakenly sent 49,999,950 USDT to a look‑alike address, an incident attributed to address poisoning, according to SlowMist. The funds were rapidly moved into ETH, split across wallets, and partly routed via Tornado Cash; on December 20, 2025, Cos shared the involved addresses. The wallet had been active about two years with frequent USDT transfers.

On 20 December 2025, Klarna entered a partnership with Coinbase enabling institutional investors to fund its lending operations using stablecoins. The arrangement routes capital on-chain into short-term, interest-free consumer loans, with blockchain settlement cited for faster cycles and transparency. The move reflects stablecoins’ shift toward financial infrastructure.

On December 20, 2025, the Museum of Modern Art added eight CryptoPunks to its permanent collection, recognizing the series' significance in digital and cultural history. According to CryptoPunks, the gift was facilitated by donors including Mara Calderon and ArtOnBlockchain, with additional contributions from collectors, and the collection continues to show steady market activity.

Gemini, joined by more than 125 organizations, has asked the U.S. Congress to retain the Genius Act's original language to preserve stablecoin reward programs. The coalition argues that curbing rewards would weaken competition and user incentives across platforms such as Gemini, Kraken, and Coinbase. The Genius Act was passed in June 2025.