Interesting to read "51% attacks and double-spends are an unfortunate fact of life in the #PoW blockchain world" @siamakmasnavi @CryptoGlobeInfo. Actually, they don't have to be if a chain adopts 'delayed proof of work' to secure them. https://www.cryptoglobe.com/latest/2018/09/bitcoin-gold-team-bittrex-has-decided-to-de-list-btg-after-we-declined-to-pay-them-12372-btg-to-remain-listed/ … #blockchain #fintechpic.twitter.com/pWQItV566u

