ビットコインは6月18日、FRB（米連邦準備制度理事会）のケビン・ウォーシュ新議長がインフレ抑制を最優先課題とする姿勢を示し、追加利上げ観測が強まったことを受けて、$65,000を下回った。政策当局者が引き締め継続に傾きつつあるとのシグナルが、市場のリスク選好を冷やした。

米商品先物取引委員会（CFTC）は、予測市場に関する新たな規制枠組み案を公表し、スポーツに基づく予測契約の正当性を後押しし得る内容を示した。案は、どのイベント契約が公益に資するかを判定する基準を明確化し、急拡大する予測市場業界に待望の規制上の明確性を与える可能性がある。

CMEグループは、分散型の暗号資産指数に連動する先物を立ち上げた。複数のデジタル資産にまたがるエクスポージャーの獲得やヘッジを、規制下の枠組みで行える手段を機関投資家に提供する。これにより、単一銘柄に依存しない形で暗号資産市場への投資・リスク管理が可能になる。

On June 12, 2026, a steep sell-off in US semiconductor stocks erased about $1.3 trillion in market value and coincided with an estimated $130 billion drop in the crypto market. The Philadelphia Semiconductor Index fell 10.3% in one session, while major tokens including Bitcoin and Ethereum slid as investors cut exposure to risk assets.

Japan’s lower house has moved forward a bill that would reclassify cryptocurrencies as financial instruments, positioning them for securities-style oversight and potentially changing how gains are taxed. The legislation cleared a key committee on June 10, 2026 after being submitted by the cabinet in April, and is now headed to the House of Councillors. Under the current system, crypto profits can face taxes up to 55%, while reclassification could pave the way for a flat 20% rate similar to stocks and bonds.

On June 11, 2026, Citigroup rolled out a blockchain-based marketplace aimed at wealthy and institutional clients to trade tokens that represent ownership interests in private companies. The offering is set to start with foreign investors, as Citi explores participation with several large private firms that it has not publicly named.

BitGo CEO Mike Belshe said Europe's incoming MiCA enforcement could spark a significant stablecoin liquidity squeeze if major tokens fail to meet the July 1, 2026 standards. He warned that coordinated exchange delistings of non-compliant coins such as Tether's USDT could leave markets without enough replacement depth. Analysts and market watchers expect thinner order books, wider spreads, and temporary bottlenecks if large balances are forced to migrate quickly.

US lawmakers are set to deepen work on cryptocurrency taxation as the House Ways and Means Committee prepares a June 9 hearing on seven draft proposals. The package would update tax treatment for areas including stablecoin payments, staking rewards, mining income, and methods for calculating gains and losses, with one draft proposing a capital-gains exemption for regulated dollar-backed stablecoin transactions under $200.

On June 7, 2026, analysts said Chainlink (LINK) remained under pressure below $10 even as exchange data pointed to a longer-term decline in LINK held on Binance. Binance reportedly holds about 85.1 million LINK (roughly $766 million), close to two-thirds of centralized-exchange LINK, while reserves have trended down from near 145 million in 2022–2023. LINK was trading around $9, with analysts highlighting $8.50 as key support and noting $10.50 as a level that could signal stronger buyer control if reclaimed.