Aztec Labsは、4年前に廃止された旧スマートコントラクトから1,158 ETHが移動し、約200万ドル規模の不正流出の可能性があるとして調査している。対象は2021年に開発された旧来の決済プロダクトで、同社によるとコントラクトは変更不能（immutable）で、停止などに用いる管理者キーを保有していない。Aztec Labsは、別の旧エコシステム製品であるAztec Connectに関する直近の事案とは無関係で、異なるコントラクトとインフラに関わるものだとしている。

EUでは7月1日から、暗号資産サービス提供者が域内で事業を続けるにはフルライセンスの保有が必要になる。BitGoはドイツ金融監督当局BaFin経由でMiCAライセンスを取得し、欧州での展開を進めている。一方、バイナンスはギリシャでのMiCAライセンス申請が承認面で難航する可能性があると報じられている。ロイターが伝えた。

Michael Saylor shared another "Bitcoin tracker" update that market observers interpret as a possible signal of a forthcoming MicroStrategy Bitcoin purchase. The chart indicates the company held 843,706 BTC as of June 7 across 110 transactions, with an average cost of about $75,701 per BTC and an estimated value near $52.2 billion.

Bhutan's sovereign investment arm Druk Holding and Investments (DHI) has sold more than $200 million worth of Bitcoin in 2026, shifting from building reserves to managing liquidity for infrastructure funding. Blockchain-based estimates indicate the country started the year with about 13,000 BTC and may now hold roughly 2,400–4,400 BTC after multiple transfers and sales. Analysts described the move as a staged program executed in smaller tranches rather than an attempt to time the market.

Travala said on June 5 it launched a system that lets AI agents search, compare, and initiate hotel reservations that settle in USDC on Coinbase's Base network. The company claims the rollout covers access to more than 2.2 million hotels worldwide and uses x402 plus ERC-7715 keys to enable near-instant, low-cost payments. Travala added that users still must approve the final transaction in their crypto wallet, and it is offering 10% cashback in cbBTC for stays booked via AI agents.

Crypto markets weakened as spot Bitcoin ETFs saw about $2.05 billion in net outflows between June 1 and June 5, while total market cap fell to roughly $2.1 trillion. Bitcoin traded near $60,600 and Ethereum dipped below $1,600, with ETH down more than 22% over the past seven days amid liquidations and a Fear and Greed Index reading of 13.

On May 31, 2026, Michael Saylor posted “Working ₿etter,” a phrase the crypto community often associates with MicroStrategy’s Bitcoin purchase disclosures. As of May 31, the company’s stash stands at 843,738 BTC valued at more than $62 billion, after a May 25 announcement that included buying 24,869 BTC following new financing steps.

Michael Saylor said on May 24, 2026 that Strategy is temporarily putting Bitcoin purchases on hold while it redirects capital toward debt instruments. The company reported holdings of 84,738 BTC worth about $64.45 billion and said it is also working on balance-sheet actions including a $1.5 billion convertible bond buyback tied to notes due in 2029.

Hyperliquid's HYPE climbed 49% over the past week and reached a record $64.20 after gaining 15% in the last 24 hours. New U.S. spot HYPE ETFs launched on May 12 and May 14 and drew over $53 million in their first week, alongside reported on-chain and exchange-withdrawal signals of accumulation.