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Blockchain Technology, Every Layer Deconstructed
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technical-fundamentals

Finality
A transaction reaching <a href="/en/glossary/technical-fundamentals/finality/">Finality</a> means reversing it would require an extremely high, often near-prohibitive cost — not an absolute guarantee it can never be undone.
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Node Types
<a href="https://crypto-bible.com/en/glossary/blockchain-fundamentals/node/" target="_blank" rel="noopener">Node</a> types describe the computers participating in a blockchain network, categorized by how much data they store, how deeply they verify, and whether they participate in consensus — full nodes, archive nodes, light nodes, and validator nodes each sit at a different point on the spectrum between security and resource requirements.
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