Look at Nimiq wallet and Nimiq Pay app, both of which are self-custodial. Look at integration with a second L1 as a way round a lot of the problems to do with Bitcoin, Lightning Network and ecash.
Look at Nimiq wallet and Nimiq Pay app, both of which are self-custodial. Look at integration with a second L1 as a way round a lot of the problems to do with Bitcoin, Lightning Network and ecash.