Vitalik Buterin, co-founder of Ethereum, has urged caution when it comes to re-staking on Ethereum. Re-staking is the process of unstaking Ethereum from one validator and then staking it to another validator.

Buterin said that re-staking can be risky, as it can lead to slashing if the new validator is not properly secured. Slashing is a process where a validator’s stake is penalized for violating the Ethereum protocol.

Buterin also said that re-staking can be costly, as it can require users to pay gas fees to unstake and then stake their ETH again.

“Re-staking can be a risky and costly proposition,” Buterin said in a tweet. “Users should carefully consider the risks before doing so.”

Buterin’s warning comes as the Ethereum network is preparing to transition to proof-of-stake. Proof-of-stake is a consensus mechanism that relies on validators to secure the network by staking their ETH.

Re-staking is likely to become more common as the Ethereum network transitions to proof-of-stake. However, users should carefully consider the risks before doing so.