According to Lex Sokolin, most crypto card programs require users to keep cash or assets in an on-chain wallet or custodial vault controlled by the card sponsor. Source: https://twitter.com/LexSokolin/status/1983513998088679877 and https://x.com/PinkBrains_io/status/1983080188218151170 Cashback rewards typically range from 1% to 20% depending on user activity. Source: https://twitter.com/LexSokolin/status/1983513998088679877 and https://x.com/PinkBrains_io/status/1983080188218151170 Availability is concentrated in the EU and UK, with limited presence in the US. Source: https://twitter.com/LexSokolin/status/1983513998088679877 and https://x.com/PinkBrains_io/status/1983080188218151170 For traders evaluating fintech-crypto exposure, the key program variables are custody lock-up with the sponsor, the cashback rate range, and EU/UK coverage. Source: https://twitter.com/LexSokolin/status/1983513998088679877 and https://x.com/PinkBrains_io/status/1983080188218151170