PoS consensus blockchains have experienced considerable growth in 2020/2021. According to the Q2 2021 Staked review, there are now 26 PoS coins in the top 100 cryptocurrencies with a combined market cap of over $450B, a 150% increase from Q1 2021. Many other PoS projects also entered maturity or obtained significant milestones in 2020/2021.