According to @CryptoMichNL, OKX Dutch launched a 25-day Advent Calendar promotion with daily rewards for users who sign up via the campaign link my.okx.com/nl/campaigns/advent-calendar-europe?channelId=73357915, source: X post by @CryptoMichNL on Dec 5, 2025. He states OKX offers free EUR deposits, claims the platform has the lowest fees, is MiCA licensed, and that OKX Wallet integrates with Hyperliquid so traders can use the same wallet to trade there, source: X post by @CryptoMichNL on Dec 5, 2025.