Difference between revisions of "Hard Fork"

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* [https://steemit.com/created/hardfork Posts on Steemit tagged #hardfork]
 
* [https://steemit.com/created/hardfork Posts on Steemit tagged #hardfork]
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* [https://steemit.com/steemit/@dragosroua/how-hardfork-0-19-0-may-impact-steemit How Hardfork 19 May Impact Steemit]
 
* Where forks started: [http://www.coindesk.com/short-guide-bitcoin-forks-explained/ A Short Guide to Bitcoin Forks]
 
* Where forks started: [http://www.coindesk.com/short-guide-bitcoin-forks-explained/ A Short Guide to Bitcoin Forks]

Revision as of 11:23, 11 June 2017

A hard fork is a change to a cryptocurrency protocol that makes previously invalid blocks/transactions valid, and therefore requires all users / software to upgrade. It could be any alteration to a coin which changes the block structure (including block hash), difficulty rules, or increases the set of valid transactions. You can think of a hard fork as a change of rules.

Unlike a softfork, a hardfork is not backward-compatible: unupdated nodes will not recognise the new blocks as valid.

Reference