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Blockchain vs Traditional Database — When Blockchain Is the Right Choice
The most common blockchain mistake: choosing blockchain before clearly understanding why you can't use a traditional database. This article gives you the decision framework to choose correctly. Speed: PostgreSQL handles millions of transactions per second with sub-millisecond latency. Ethereum mainnet: ~15 transactions...
Multi-party trust without a central operator: If three organizations need to share data and none trusts the others to control a central database, blockchain provides shared truth without trusting any party. Immutable audit trail: When tamper-evident proof that data hasn't changed is genuinely required (by regulator, co...
Answer "yes" to all three before choosing blockchain: 1. Is there genuine multi-party distrust that prevents a single trusted database operator? 2. Is the immutability of records genuinely necessary (not just "nice to have")? 3. Is the additional cost and complexity of blockchain justified by the value of #1 and #2?
Common integrations: The Graph, Alchemy/Infura, OpenZeppelin Defender, and popular wallet providers.
Clarify requirements, compliance needs, architecture risks, and launch goals.
Implement core contracts, integrations, product flows, tests, and deployment automation.
Run QA, prepare audit handoff, deploy infrastructure, and support production rollout.
Yes — and for many use cases, this is the better choice. PostgreSQL supports immutable audit tables (using row-level security and triggers to prevent DELETE/UPDATE on audit rows). AWS QLDB (Quantum Ledger Database) provides a cryptographically verifiable, immutable ledger without blockchain. If your immutability requirement is "protect against internal modification by privileged DB administrators" rather than "provide external verification to multiple independent parties," these simpler tools may be sufficient and significantly cheaper to operate.
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