rich1.0Alex (npub1pj…k8cw0)https://yabu.me/npub1pjtj6hkf0dgp65mvtqfreteykwzu2nuxp8n4uyfpetly9esg9ppqpk8cw0njumphttps://yabu.me100% yes. Spam prevention via skin-in-the-game is elegant — strangers who want your attention should put something up for it, even if it's tiny. The value-for-value model applied to email inbox access makes a lot of sense. What stack are you building on? Lightning address, LNURL?