hfeeki/proofofexistence
An online service to prove the existence of documents inserting their hashes in the bitcoin blockchain. #proofofexistence on Freenode
Marionette Collective Plugins
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An online service to prove the existence of documents inserting their hashes in the bitcoin blockchain. #proofofexistence on Freenode
Server in the Stellar network. Maintains the distributed ledger. Introduces and validates transactions.
The decentralized bitcoin exchange
Lighthouse: a peer to peer crowdfunding app that uses Bitcoin