---
title: "blockchain-terms"
tags: 
---

**Hyperledger:**

**DeFi:**

**Blockchain:**

**Smart Contracts:**

**Consensus:**

**Sybil Attack:**

**Transaction Finality:**

**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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