United Nations Postal Service announces digital stamps based on Ethereum blockchain

According to crypto.unstamps, the United Nations Postal Service recently released the “UN Cryptographic Stamp,” a digital token based on the Ethereum blockchain. The scratch protection coating on the stamp has been declared to have special regulations. The password allows the owner to open a copy of the blockchain as a digital device. The creation, membership, exchange, and marketing of digital stamps are governed by smart contracts shipped from the Ethereum blockchain. 90,000 restrictions, 30,000 stamps per agency (Geneva, New York, Vienna) were entered on the smart contract.