See https://github.com/crate-crypto/go-kzg-4844 And https://github.com/ethereum/c-kzg-4844 for KZG libraries. The below notes are very outdated. EIP-4844 introduces "blob transactions", requiring changes in both execution and consensus layers. See meta-spec for all resources.

ETHDenver Shard Blob transactions Last update: 25 Feb. 2022. For the latest Shard Blob Transactions EIP, see https://github.com/ethereum/EIPs/pull/4844 Execution-layer prototype Experimental implementation by Proto, Matt and George: https://github.com/protolambda/go-ethereum/pull/1 Consensus-layer prototype Ongoing work by Prysm team (Prysmatic Labs): https://github.com/prysmaticlabs/prysm/compare/kiln...blobs

Status epochs, for reference: activation_eligibility_epoch: Epoch # When criteria for activation were met activation_epoch: Epoch # When the validator is/was scheduled to activate. May change while in the activation queue. exit_epoch: Epoch # When the validator is/was scheduled to exit. May change while exiting. withdrawable_epoch: Epoch # When validator can withdraw funds Statuses: pending