Yes. There are a number of "Level 1" blockchains[1] that are proof-of-stake. Ethereum is moving to PoS. Algorand was just announced as the level 1 chain for t

Yes. There are a number of "Level 1" blockchains[1] that are proof-of-stake. Ethereum is moving to PoS. Algorand was just announced as the level 1 chain for the El Salvador[2], while Cardano and Solana are both pretty big chains. Other contenders include NEAR. [1] https://medium.com/the-capital/layer-1-vs-layer-2-what-you-need-to-know-about-different-blockchain-layer-solutions-69f91904ce40 https://medium.com/the-capital/layer-1-vs-layer-2-what-you-n... [2] https://finance.yahoo.com/news/el-salvador-develop-blockchain-infrastructure-084104876.html https://finance.yahoo.com/news/el-salvador-develop-blockchai...