South Korean prosecutors have charged five people tied to the Solana meme coin project CatFi, alleging a coordinated rugpull after the token attracted investor funds. Investigators say CatFi was launched in early 2025 via Pump.fun and later saw an about 1,001x price jump within 26 hours as roughly 6,000 investors bought in. Prosecutors said 256 investors reported about 900 million won in losses and suspects allegedly made over 400 million won, with arrests including two suspects on May 11 and three more later on Wednesday.

Bitcoin ended Friday near $73,500 after sliding from above $77,000 earlier in the week, as spot bitcoin ETF redemptions and broader risk-off pressure weighed on price. Bitcoin.com News asked 13 AI models on May 30, 2026 to forecast BTC’s Dec. 31, 2026 close, producing targets from $50,000 (Deepseek) to $145,000 (Grok). Most responses clustered between $88,000 and $122,000, commonly citing ETF flows, post-halving supply dynamics, and potential Fed policy shifts.

ApeCoin (APE) rose about 11% over the past 24 hours, standing out against a broadly flat crypto market as some GameFi tokens posted renewed gains. The token is retesting the $0.13 area after a breakout, while trading volume climbed about 145% to $51 million and transfer activity increased over five days.

Short-term Bitcoin holders moved 107,760 BTC in a single day, marking the biggest 1–3 month spent-output shift in more than seven months. The activity coincided with BTC trading below $74,000 and with Bitcoin Price Momentum staying negative since May 22, after peaking at +20.5% on May 5. At the time of writing, BTC was around $73,410, down 0.4% over the past 24 hours.

Brazil's Central Bank issued Normative Instruction No. 739 on Friday, adding a new condition for virtual asset service providers (VASPs) seeking authorization to operate in the country. Applicants must now submit an independent "reasonable assurance" audit prepared by a third-party entity registered with Brazil's securities regulator, alongside checks tied to AML/CTF controls and reporting readiness.

Bitcoin’s recent price swings have eased, with 60-day volatility measures moving closer to gold’s, a shift that some observers say could improve BTC’s fit as a diversification asset. IBIT’s 60-day volatility fell from over 60 to around 35, while a gold ETF’s volatility slid from 43 to around 25. The change has coincided with fading BTC and gold ETF flows, as BTC traded at $73.5K, down 11% from its Q2 high of $82.8K.

Kalshi said it sued Minnesota in federal court on May 28 to block SF4760, a law signed May 18 that would make operating or advertising prediction markets a felony when it takes effect on August 1, 2026. The company argues its event contracts are federally regulated derivatives under the Commodity Exchange Act and that the state law conflicts with CFTC authority and limits its ability to advertise a lawful product. The CFTC also brought its own case within 24 hours of the bill's signing and is seeking an injunction to pause enforcement.

Alephium said its TokenBridge on Ethereum was exploited, with roughly $815,000 drained after an attacker minted 13.76 million wrapped ALPH from forged transactions. The team urged liquidity providers to pull funds from ALPH pools on Uniswap and PancakeSwap and avoid swapping against those pools while the bridge remains shut down.