Definition ∞ A Blockchain Ledger is a distributed, immutable record book that stores all transaction data across a network of computers. Each new transaction is added as a new block to the chain, creating a continuous and verifiable history. This digital ledger ensures transparency and security without requiring a central authority. It forms the fundamental data structure for cryptocurrencies and decentralized applications.
Context ∞ The Blockchain Ledger remains a central focus in discussions about the integrity and transparency of digital assets and their underlying systems. A key debate involves the scalability challenges associated with maintaining a globally synchronized and immutable ledger. Future developments include advanced sharding techniques and alternative consensus mechanisms to enhance transaction throughput and efficiency.
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