Top crypto news for May 19 — Blum’s co-founder arrested for $15M fraud, Metaplanet now holds more Bitcoin than El Salvador, Dubai tightens crypto rules, Bybit fixes major login bug, and Vitalik pushes for lighter, more private Ethereum nodes.

#CryptoNews #Blum #Bitcoin #Metaplanet #DubaiCrypto #Bybit #Ethereum #VitalikButerin #CryptoUpdate #May2025