4 ms·Mt. Gox and Bitcoin Market already do that.by jaysonelliot 15y agoMt. Gox and Bitcoin Market already do that.nkohari 15y agoThey're just exchanges though -- they don't offer incentives (e.g. interest) for depositing.abofh 15y agoSince you can't manufacture bitcoins, I think guaranteeing interest would be difficult at best