暗号資産取引所コインベースは、米国株のトークン化やAIを活用した投資ツール、デリバティブ取引の拡充、銀行型の新機能などを含む、同社史上でも最大級の製品拡張を発表した。トークン化資産への需要が加速する中での発表となる。6月には、プレIPO銘柄を対象とする無期限先物の取引量が約120億ドルまで急増した。ブライアン・アームストロングCEOは、金融資産の「真の所有」をオンチェーンに持ち込み、取引・運用・資金管理の選択肢を広げる狙いだと述べた。

Reuters reported on June 16 that Binance's MiCA application filed via Greece's HCMC is expected to receive a "no" decision before the June 30, 2026 deadline. Binance rejected the account, saying it has worked with regulators for 18 months, has not received a formal rejection notice, and that customer assets remain accessible at all times.

Humanity Protocol reported a widening security incident on June 9 that grew from early estimates above $5 million to losses exceeding $32 million. Investigators said stolen assets were largely swapped into ETH and also involved an unauthorized mint of 100 million H tokens, while founder Terence Kwok confirmed a private-key compromise and told users to avoid the bridge and liquidity pools. The H token fell as much as 81% and was quoted at $0.1411 amid the fallout.

On June 7, Michael Saylor shared a chart of Strategy's Bitcoin holdings and wrote, "A good time to add more dots," fueling talk of another BTC buy. The post follows the firm's sale of 32 BTC between May 26 and May 31 for about $2.5 million, its first reported sale since 2022. Bitcoin was priced at $63,193.76 on June 8, up 1.3% on the day but down 12.8% over the week and 21.1% over the past month.

Syscoin said a bridge validation weakness was exploited to generate about 5 billion unauthorized SYS, prompting the team to pause the bridge and trace the affected funds. The project reported the tokens were first sent to one address and later split, with roughly 4 billion SYS in one wallet and around 1 billion SYS in another. The incident coincided with a sharp market reaction, with SYS sliding nearly 20% after the news and showing broader declines in the latest June 8 chart data.

Zcash developers disclosed a critical flaw in the Orchard shielded pool after security engineer Taylor Hornby found an issue that could enable unlimited counterfeit ZEC. On June 4, Shielded Labs' Zooko Wilcox said the bug was confirmed exploitable in a local regtest using AI-assisted analysis, including Anthropic's Opus 4.8. ZEC later traded at $326.15 on June 5, down 45% in 24 hours, alongside a 39.6% weekly and 44.7% monthly decline.

On June 4, CNBC host Jim Cramer posted "Who murdered Bitcoin?" alongside a chart of Strategy's Bitcoin position, as the market selloff intensified. The figures showed Strategy had put nearly $63.9 billion into BTC and was sitting on more than $10.8 billion in unrealized losses; Bitcoin later traded at $62,463 on June 5 after sliding from above $73,000 earlier in June.

Mastercard has expanded its settlement infrastructure to include regulated stablecoins, adding Ripple's RLUSD alongside USDC, PYUSD, USDG, USDP and SoFiUSD. The June 3 rollout supports intraday, weekend and holiday settlement across multiple blockchains, including XRP Ledger, Ethereum, Solana, Polygon, Base, Arbitrum, Canton and Tempo.

On June 2, the U.S. Treasury sanctioned Nobitex, describing it as Iran's largest cryptocurrency exchange, and also designated several of its senior executives. Officials alleged the platform enabled sanctions evasion and processed transactions tied to the Islamic Revolutionary Guard Corps (IRGC), including activity involving stablecoins. The package also targeted Iranian exchanges Wallex, Bitpin, and Ramzinex, with restrictions blocking U.S.-jurisdiction property and limiting dealings by U.S. persons.