January 2019
Beginner to intermediate
372 pages
11h 17m
English
Content preview from Foundations of Blockchain
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Bitcoin hard forks and altcoins
A hard fork in Bitcoin is an update to the protocol that will not entertain the older protocol, thus requiring everyone to upgrade. Hard fork upgrades often include major changes such as changing the blockchain structure, transaction, or consensus rules. The major difference between a soft fork and hard fork is that the latter is not backward compatible, meaning that the older system will not function in the updated protocol.
There will be two different versions of blockchain after the blockchain hard fork. The multiple versions of blockchain are a result of disagreement among the blockchain nodes to follow a single protocol. Blockchain hard forks often result in protocol upgrades. Bitcoin has had several hard ...
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