quartz/content/notes/blockchain-terms.md
2022-11-25 17:02:20 +13:00

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title: "blockchain-terms"
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**Hyperledger: An organisation made up of industry leaders who are helping to develop various permissioned blockchain framworks**
**Smart Contracts:** Within ethereum a smart contract is a type of account which had storage and code, and executes the code when it recieves a message.
**Sybil Attack:** A type of attack on a distributed ledger where an attack amasses a 51% majority over something so they can take control
**Common Pool Resource (CPR):**
**UTXO unspent transaction output:** The original method of record keeping in a blockchain where there are no "accounts" at the protocol layer, and coins are stored as unspent transaction outputs (UTXOs). The alternative which is used by ethereum, tron, etc are Account-based blockchains
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