Lido, Coinbase, Kraken and Binance, the four largest validator node operators on Ethereumโs PoS Beacon Chain, have amassed a 54% share of all ETH staking activity, according to Nansen. Lidoโs dominance, by virtue of controlling roughly 33% of total ETH staked on Ethereumโs PoS blockchain, has raised centralization worries in relation to Ethereumโs long-term health and security.