ICONLOOP has, as of late, released a blockchain-based certificate issuance service called “broof,” which is based upon the ICON public network. broof is used to issue any type of certificates, such as graduation certificates, employment certificates, and several more. Studypie, the Seoul Citizens Hall, and several others have used the blockchain certificate issuance service already …The post ICONLOOP’s “broof”—A Blockchain-based Certificate Issuance Service appeared first on CryptoNewsZ.