Guarda is non-custodial, meaning you have complete control of your funds, assuming you have a backup of your privkeys. You can import them in any wallet of your choice, even if Guarda were to be unavailable at some point. https://medium.com/guarda/%EF%B8%8Fcustodial-vs-non-custodial-wallet-s-%EF%B8%8F-benefits-of-light-wallets-87cf701054d1