Crypto Watchlist: May 25 - May 31, 2026 Here are the key narratives and events moving the market this week. ARB: The Open House London Buildathon kicks off May 25, a 3-week online event with a 415k prize pool, the largest ever from the Arbitrum Foundation. Over 190 teams have registered, with 70% coming from Asia, Africa, and LATAM. Strong builder momentum. SLX (Solstice): Listing on Binance Alpha on May 25, marking its first exchange debut with a simultaneous airdrop for eligible users via Binance Alpha Points. Early access play. H (Humanity): A 25.99M cliff unlock on May 25, representing 5.77% of circulating supply in a single concentrated event. High volatility expected around this. BNB: BNBAgent SDK goes live on mainnet after 140+ beta fixes. Post-quantum cryptography stress tests are underway. RWA proposals are drawing serious institutional interest. TAO: 25,200 TAO unlocked (~6.67M, 0.12% of supply), a moderate linear release. With 128 subnets active and rising AI inference demand, fundamentals remain intact. SOL: The Alpenglow upgrade enters community testing, with Anatoly Yakovenko targeting a launch as early as next quarter. Meanwhile, Western Union launches USDPT, a Solana-based stablecoin for 24/7 payments. Real world adoption. NEAR: Integrated post-quantum cryptography on May 7, becoming one of the first L1s to do so. Arthur Hayes' recent post triggered a 41% weekly rally. Chain Abstraction upgrade is live. XRP: Weekly ETF inflows hit 60.5M, the largest single week of 2026, while BTC and ETH ETFs saw outflows. The SEC formally included XRP alongside BTC and ETH in a unified listing standard. Major regulatory milestone. POLYMARKET: Taker fee rebate program of up to 50% for active traders with 30-day weighted volume above 2k. A ban in Indonesia adds regulatory pressure. CME Group: 24/7 crypto futures and options trading starts May 29. No more weekend price gaps for institutions. A structural infrastructure upgrade. Fed Speeches: Williams, Mu...