On-Chain
a.k.a. Onchain
Anything recorded directly on a blockchain, visible to all and settled by the network itself.
In plain English
Anything recorded directly on a blockchain, visible to all and settled by the network itself.
On-chain means written onto the blockchain itself. An on-chain transaction is broadcast to the network, picked up by miners or validators, and sealed into a block for anyone to see.
It's the most trustworthy kind of record crypto has, because no single company keeps it. It's also slower and costs a network fee. That public trail is what makes on-chain analysis possible. Compare off-chain.
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