Strategy Inc. said it bought 24,869 Bitcoin worth about $2.01 billion between 11 May and 17 May, according to a Form 8-K released on 18 May. The company reported total holdings of 843,738 BTC acquired for approximately $63.87 billion at an average cost of roughly $75,700 per BTC. It said the purchases were financed primarily through ATM sales of STRC preferred shares, alongside a smaller amount raised from MSTR common stock.

THORChain said on 15 May it automatically detected abnormal activity and halted signing, pausing churn after one of its Asgard vaults was compromised. The exploit drained roughly $10.7 million to $10.8 million, with the protocol saying early signs indicate user funds were not directly impacted and losses were limited to protocol-owned funds. Separate commentary from Ledger CTO Charles Guillemet suggested the incident may relate to MPC/TSS signing infrastructure, though the root cause has not been confirmed.

The Senate Banking Committee moved the CLARITY Act forward during a markup session on 14 May, approving an amended version of the bill by a 15–9 vote. Lawmakers debated proposed changes touching ethics standards, DeFi-related oversight, and anti-money laundering language, with several ethics-focused amendments failing. The measure is not yet approved by the full Senate and must still clear additional procedural steps before it can become law.

CME Group said on 14 May it plans to introduce Nasdaq CME Crypto Index futures on 8 June, pending regulatory approval, offering both micro and larger contract sizes. The market-cap-weighted, multi-asset contract will be cash-settled and aims to provide diversified crypto exposure or broad hedging through a single regulated instrument.

Circle said in a paper published on 13 May that stablecoin-based, continuous blockchain settlement could replace parts of legacy batch-processing payment and settlement systems. The paper argues delayed clearing windows create liquidity lags and added reconciliation costs, and cites figures on excess working capital and daily FX settlement risk. Circle also highlighted its Circle Payments Network (CPN) as compliance-ready infrastructure intended to connect banks, payment providers, and enterprises.

JPMorgan has filed with the U.S. SEC for a blockchain-enabled, tokenized money market fund aimed at stablecoin issuers preparing for a regulated U.S. market under the proposed GENIUS Act. The filing dated 12 May names the product JPMorgan OnChain Liquidity-Token Money Market Fund (ticker: JLTXX), with Ethereum as the first supported network and a $1 million minimum investment.

A U.S. federal court authorized an onchain Arbitrum DAO vote to transfer 30,765.6675 ETH tied to the rsETH exploit recovery from an immobilization address into an Aave LLC-controlled wallet. The ETH remains subject to a restraining notice, preventing Aave LLC from using or distributing the funds unless a court later permits it.

Circle paired the release of its Arc blockchain whitepaper with quarterly earnings disclosures that detailed a $222 million ARC token presale valuing the network at a $3 billion fully diluted valuation. The company framed Arc as infrastructure for payments, tokenized assets, and AI-agent finance, while noting that its earnings guidance does not yet include potential future Arc revenue streams.

Sen. Bernie Moreno said large U.S. banks are pressuring lawmakers ahead of a Senate Banking Committee markup scheduled for Thursday. The dispute followed an American Bankers Association letter warning the proposal could push deposits into payment stablecoins and allow interest-like rewards, prompting pushback from crypto advocates.