Witness-update April 27th 2018 @yuriks2000 update to v0.19.3 against SPAM attack on STEEM Blockchainyuriks2000 (66)in #witness-update • 6 years ago (edited)View this post on Hive: Witness-update April 27th 2018 @yuriks2000 update to v0.19.3 against SPAM attack on STEEM Blockchain