Firo users and node operators have only hours to install a mandatory fix for a Spark flaw that could allow forged coins and inflate supply. A researcher created about 200 FIRO in a controlled test. Firo found no evidence of other inflation. The fork activates at block 1,371,000. https://cryptoslate.com/privacy-coin-flaw-risks-endless-token-creation-leaving-node-operators-with-a-deadline-in-hours-to-fix-it/(CryptoSlate)