March 2018
Beginner to intermediate
656 pages
20h 9m
English
Content preview from Mastering Blockchain - Second Edition
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Colored coins
Colored coins are a set of methods that have been developed to represent digital assets on the Bitcoin blockchain. Coloring a bitcoin refers colloquially to updating it with some metadata representing a digital asset (smart property). The coin still works and operates as a bitcoin but additionally carries some metadata that represents some assets. This can be some information related to the asset, some calculations related to transactions or any arbitrary data. This mechanism allows issuing and tracking specific bitcoins. Metadata can be recorded using the bitcoins OP_RETURN opcode or optionally in multisignature addresses. This metadata can also be encrypted if required to address any privacy concerns. Some implementations ...