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Hard Fork vs. Soft Fork: How Blockchain Upgrades Work

By The Defiant Team

Older nodes can accept soft-fork blocks without understanding every new rule. A hard fork requires upgraded software to follow the changed network, but does not automatically create another coin.

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Blockchain

A shared digital ledger in which records are grouped into blocks and linked so that past entries are very hard to change.

It underpins cryptocurrencies and is tested for payments, supply tracking and record keeping.

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