Hedera Hashgraph is a distributed ledger technology (DLT) that uses a unique consensus mechanism called gossip about gossip (GFS).
GFS is a fast, secure, and energy-efficient way to reach consensus on the state of a distributed network.
To understand how GFS works, it's helpful to first understand how traditional blockchains reach consensus.
In a traditional blockchain, each node maintains a copy of the entire blockchain.
When a new block is added to the chain, all of the nodes must agree on th
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