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The [[DWeb]] Principles are a good background.

     

       
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Some of the ways of working look a lot like my [[Three Definitions of Open Source]]
     

       
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The [[DWeb]] Principles are a good background.

     

       
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Some of the ways of working look a lot like my [[Three Definitions of Open Source]].

     

       
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Not all web3 has to be available under an open source license. Most often, I expect a Web3 system to be based on a protocol or standard, that can have multiple code implementations that interoperate by following the protocol. 

     

       
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Some examples of Web3 systems:

     

       
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* [[ATProtocol]], with [[Bluesky]] as an implementation 

     

       
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* [[ActivityPub]], with [[Mastodon]] as an implementation 

     

       
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* [[IPFS]], with [[Kubo]] as an implementation 

     

       
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* [[Farcaster]], with [[Warpcast]] as a client

     

       
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## Blockchain

     

       
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Blockchains are a subset of web3. They are useful in cases where strict global consensus is required.