A single wallet lost 4,556 ETH, worth about $12.25 million, in an address poisoning incident. Attackers crafted lookalike vanity addresses that appeared in the user’s transaction history, leading to a misdirected transfer. The case adds to a recent spate of large crypto thefts, including an almost $50 million loss in December 2025.

On 31 January 2026, the US Treasury announced sanctions against senior Iranian officials and financial networks said to be involved in violent protest crackdowns and domestic repression. The measures also target two UK-registered digital asset platforms, Zedcex Exchange and Zedxion Exchange, alleged to have processed funds tied to IRGC-linked wallets, with Zedcex handling more than $94 billion in transactions since 2022. These designations freeze assets under US jurisdiction, bar US persons from dealing with the listed parties, and warn foreign institutions of potential penalties for facilitating related transactions.

On January 31, 2026, a U.S. court sentenced Chinese national Jingliang Su to 46 months in federal prison and ordered $26,867,242 in restitution for laundering over $36.9 million from American victims. The scheme routed funds to Deltec Bank in the Bahamas, converted them to Tether (USDT), and moved them to a wallet in Cambodia.

On January 31, 2026, the FBI seized both the clearnet and darkweb domains of the RAMP forum; banners on the sites cite coordination with the Southern District of Florida and DOJ's CCIPS. A user known as "Stallman", described as an owner, acknowledged the takedown, while industry analysts cautioned the long‑term impact may be limited.

On January 30, Lighter announced a collaboration with Axiom to introduce Lighter EVM, an Ethereum-compatible rollup designed to extend the platform into a wider DeFi ecosystem. The system uses Axiom's OpenVM 2.0 and SWIRL proof method to deliver ZK-verified, low-cost, high-throughput execution while enabling rapid interoperability with Lighter's markets. Axiom has also strengthened fiat-to-crypto access via earlier integrations with Onramper and MoonPay, allowing users to fund trading with a broad range of payment options.

On January 30, 2026, Otters announced a Telegram Mini App on the TON blockchain to streamline Web3 onboarding. The platform uses daily rewards, short farming cycles, and mini games, and has organically attracted tens of thousands of users. New features include the TON Badge for verified P2P Quick Share and an in-app NFT Collection Store.

The U.S. OCC granted Nubank conditional authority to organize a national bank 121 days after its September 30, 2025 application. Regulators set 12 months to complete capitalization and 18 months to launch, alongside separate authorizations from the FDIC and Federal Reserve. The charter would enable deposits, cards, lending, and federally supervised digital asset custody.

On January 29, 2026, Optimism introduced OP Enterprise, a production-grade suite for fintechs and financial institutions to launch managed or self-run chains in 8-12 weeks. The three-tier offering delivers 99.99% uptime SLOs, throughput up to 100+ Mgas/s, 5 billion RPC requests per month, and 160 engineering hours, with Unichain and Celo as early customers.