Bitcoin’s mining economics tightened after a May 15 difficulty adjustment lifted the network metric 3.12% to 136.61T, contributing to a 9.44% drop in miner revenue tied to hashprice. Over four days, the estimated daily value of 1 PH/s slid from $38.97 to $35.29, while BTC traded at $76,680 as of 3 p.m. ET on May 18. Transaction fees remained small at 0.59% of block rewards, keeping miner income closely tied to price and difficulty changes.

On May 15, 2026, the PCT Litigation Trust tied to Prime Trust’s bankruptcy filed a 94-page adversary complaint against Swan Bitcoin’s parent, Electric Solidus, Inc., seeking to claw back about $970 million in assets. The filing focuses on roughly 11,994 BTC (about $938 million at recent prices) plus around $24.66 million in cash, $5 million in stablecoins (including USDT and USDC), and 91,144 XRP. As of May 18, 2026, Swan had not formally responded, and the dispute is pending before Judge J. Kate Stickles in Delaware.

Minnesota Gov. Tim Walz signed HF 3709 into law, allowing state-chartered banks and credit unions to provide custody for bitcoin and other virtual currencies starting Aug. 1, 2026. Institutions must give the Minnesota Department of Commerce 60 days' written notice before launching and keep customer assets segregated, while the law bars banks from trading, investing, or lending the crypto they hold.

Bitmine Immersion Technologies said that as of May 18, 2026 it held 5,278,462 ETH valued at $2,191 per token, describing the position as 4.37% of Ethereum's 120.7 million circulating supply. Chairman Tom Lee said the company added 71,672 ETH over the past week and expects Bitmine to reach its "alchemy of 5%" milestone sometime in 2026. The company also reported staking 4,712,917 ETH, with annualized staking revenue of $289 million based on a seven-day yield of 2.80%.

Bitget said its unified AI trading stack, branded Bitget AI, surpassed 1 million users and generated more than $1.2 billion in cumulative trading volume across 58 AI tools as of mid-May 2026. The company also introduced a beta feature called AI Trading Playbooks, designed to let users create natural-language strategies and then backtest and deploy them through a marketplace.

On May 17, 2026, President Donald Trump warned Iran on Truth Social as U.S.-Iran ceasefire talks remained stalled, keeping oil futures above $100 per barrel. Hyperliquid's oil perpetuals saw Brent near $106.14 and WTI around $102.48, with combined open interest above $481 million. Bitcoin slid to an intraday low of $76,690 as broader crypto markets weakened.

Iran's Ministry of Economic Affairs and Finance was reported to have launched a bitcoin-settled maritime insurance initiative called Hormuz Safe on May 16, 2026. The program is positioned to cover cargo transiting the Persian Gulf and the Strait of Hormuz, with state media projecting more than $10 billion in annual revenue while key technical and legal details remain undisclosed.

Online Blockchain CEO Clem Chambers says U.S. markets are entering the early stage of a two-year Nasdaq bubble fueled by AI infrastructure investment and deficit-backed money creation. In an interview conducted this week, he argued that power capacity, copper, industrial batteries, and grid buildouts are the real constraints shaping the AI trade. He also cited gold’s behavior around $4,700 as a live gauge of geopolitical risk, noting it traded at $4,540 per ounce on May 17 after the interview.

SBI Securities and Rakuten Securities are preparing in-house cryptocurrency investment trusts that would let retail brokerage clients gain exposure to bitcoin and ethereum without using a separate exchange account or wallet. Japan's Financial Services Agency is aiming for 2028 amendments to the Investment Trust Act, while a separate bill approved in April 2026 could take effect in fiscal 2027 if passed. A Nikkei Asia survey found multiple major brokerages may consider offering similar products once the regulatory framework is finalized.