Postalgia uses cryptocurrency to enable the payments. The project also hopes to eventually use a blockchain to store digital photos permanently, but it is unclear when that feature may be rolled out.

Somebody added the illegal images to the core ledger of Bitcoin Satoshi Vision (BSV) by using a payment processor. This ledger, known as the blockchain, is a running record of crypto-currency ...

in their profile picture than the selfies that dominate Twitter or Facebook. Now, we’ll see how the community responds to Reddit’s offer of “blockchain-backed Collectible Avatars.” ...