The Office of the Comptroller of the Currency has issued new guidance allowing U.S. national banks to hold digital assets directly on their balance sheets for blockchain operations. The interpretive letter reverses prior restrictions and permits banks to own crypto for paying network fees and testing distributed ledger systems.

Bitcoin mining hardware manufacturer Canaan reported Q3 2025 revenue of $150.5 million, a 104% year-over-year increase, driven by record mining machine sales exceeding 10 EH/s and expanded self-mining operations. The Singapore-based company's shares rose approximately 16% in Tuesday trading. Canaan's self-mining capacity reached 9.3 EH/s during the quarter, generating $30.6 million in mining revenue after producing 267 BTC.

Brazil's Finance Ministry is evaluating whether to apply the IOF financial transaction tax to cryptocurrency cross-border payments, two officials told Reuters. The review follows new central bank rules reclassifying stablecoins and virtual assets as foreign-exchange instruments, set to take effect in February 2026. Officials said the goal is closing a regulatory gap rather than generating revenue.

Tether has invested in Ledn, a Bitcoin-backed lending provider that has originated over $2.8 billion in loans since launch. The crypto lending market has issued more than $1 billion in loans in 2025, according to the company, signaling a recovery after the 2022–2023 collapse.

Wallets tied to the collapsed Libra memecoin withdrew approximately $4 million from the project's liquidity pool and deployed $61.5 million into Solana, blockchain data show. The transfers occurred as fraud investigations and asset freezes continue in the United States and Argentina. During Libra's collapse earlier in 2025, at least eight insider wallets withdrew roughly $107 million in liquidity as the token's market capitalization dropped more than 94% from $4.5 billion to under $300 million within hours.

South Korea's virtual asset tax framework remains unprepared for its January 2027 launch, with officials acknowledging incomplete infrastructure and regulatory gaps. The tax law, approved in 2020, has been delayed three times from its original 2022 start date. No public-private working group has been established, and critical guidance on airdrops, staking, and mining taxation remains unissued.

Strategy executive chair Michael Saylor rejected claims the company sold Bitcoin from its treasury, stating the firm continues active accumulation. Saylor confirmed Strategy will disclose additional purchases Monday. The denial followed speculation triggered by on-chain data showing movements of approximately 47,000 BTC worth $4.6 billion.

Alibaba's cross-border e-commerce division is building a tokenized payment system using euro and U.S. dollar deposit tokens issued by regulated banks. The initiative seeks to reduce settlement times and transaction costs for international B2B payments while complying with Beijing's restrictions on privately issued stablecoins.

CleanCore Solutions shares declined 78% over the past month to $0.38, reaching a record low. The company reported a $13.4 million net loss for the quarter ending September 30. The drop reflects investor concerns over its Dogecoin treasury strategy as DOGE price fell 21%.