HIPs in this category include proposals addressing the Hashgraph algorithm, peer-to-peer networking, etc. These types of features are implemented on Hedera consensus nodes.

Accepted

NumberTitleAuthorNeeds Council Approval
406 Staking Leemon Baird Yes
410 Wrapping Ethereum Transaction Bytes in a Hedera Transaction Danno Ferrin Yes
415 Introduction Of Blocks Daniel Ivanov, Ivan Kavaldzhiev, Steven Sheehy Yes

Final

NumberTitleAuthorNeeds Council Approval
25 On-disk Virtual Merkle Tree Richard Bair, Jasper Potts Yes