QLDB

Amazon Quantum Ledger Database (QLDB) is a managed ledger database management system. Its core storage architecture is an immutable and cryptographically verifiable transaction log. Unlike a blockchain DBMS where trust is distributed among participants, QLDB uses a centralized trusted authority (i.e., Amazon).

Data Model

Document / XML

Storage Architecture

Disk-oriented

System Architecture

Shared-Disk

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