Over the past ten years, the crypto industry has seen numerous developments and technical advancements while some things still remain the same.
source https://www.google.com/url?rct=j&sa=t&url=https://bitcoinexchangeguide.com/5-things-bitcoin-blockchain-and-cryptocurrency-industry-should-discard-in-2019/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHiAuQ4xfFOQ1w14rKSCwioN_mZeA
