Hedera (HBAR) vs Sui (SUI)

Hedera Hashgraph is a layer 1 blockchain platform that aims to be a more efficient, secure, and reliable distributed ledger than Bitcoin. The protocol is based on Proof of Stake (PoS) and is powered by a unique technology called Hashgraph, which incorporates concepts from directed acyclic graph theory for node management and a mechanism called "gossip protocol" for transaction validation.

Sui is a layer 1 blockchain designed to host smart contracts and operates on a Delegated Proof of Stake (DPoS) consensus mechanism. Following the failure of Facebook's Diem project, some of the engineers came together to form Mysten Labs. The technology of Sui incorporates some technological innovations from the project, including the Move programming language and a modular and parallel architecture that allows for the simultaneous processing of a very large number of transactions.