Technical principles: Nodes and validators
· Light clients download only block headers. When they need data for a transaction, they request the data and a Merkle proof from a full node.
· The May 2025 Pectra upgrade increased the maximum effective balance for validators from 32 ETH to 2048 ETH, while the minimum remains 32 ETH.
On Ethereum, running a validator requires staking at least 32 $ETH .
· Light clients download only block headers. When they need data for a transaction, they request the data and a Merkle proof from a full node.
· The May 2025 Pectra upgrade increased the maximum effective balance for validators from 32 ETH to 2048 ETH, while the minimum remains 32 ETH.
On Ethereum, running a validator requires staking at least 32 $ETH .