April 2017
Intermediate to advanced
266 pages
7h 4m
English
Content preview from Building Blockchain Projects
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Namecoin
Namecoin is a decentralized key-value database. It has an internal currency too, called Namecoins. Namecoin uses the blockchain data structure and the proof-of-work consensus protocol.
In Namecoin, you can store key-value pairs of data. To register a key-value pair, you need to spend Namecoins. Once you register, you need to update it once in every 35,999 blocks; otherwise, the value associated with the key will expire. To update, you need Namecoins as well. There is no need to renew the keys; that is, you don't need to spend any Namecoins to keep the key after you have registered it.
Namecoin has a namespace feature that allows users to organize different kinds of keys. Anyone can create namespaces or use existing ones to organize ...
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