proof-of-existence

There are 2 repositories under proof-of-existence topic.

• proofofexistence / proofofexistence

  Core and web app for Proof of Existence - the original blockchain notary service

  bitcoinblockchainproof-of-existencebtcbch
  Language:JavaScript 210

• cedricwalter / blockchain-consensus

  This is my attempt to list all possible blockchain consensus out there, i welcome pull request of the blockchain community! lets make it the main reference for blockchain consensus

  blockchainblockchain-technologyconsensusconsensus-algorithmethereumbitcoinsmart-contractsconsensus-protocolproof-of-stakeproof-of-authorityproof-of-workproof-of-existencedlt
  124

• filefilego / filefilego

  Decentralized Data Sharing Network - A Peer-to-peer, censorship-resistant, and a privacy-focused data sharing network

  blockchainblockchain-technologycryptocurrencycryptographyp2ppeer-to-peercensorship-resistancefile-sharingdecentralizeddownload-managerprivacysearch-enginestorage-enginewalletbitcoinethereumlibp2pproof-of-transferproof-of-existenceproof-of-stake
  Language:Go 61

• SmartDiploma / proof-of-existence

  Smart contract to prove the existence of documents

  blockchainethereumproof-of-existencesmart-contractssolidity
  Language:JavaScript 46

• inblocks / precedence

  precedence brings secure blockchain-powered traceability features to your already existing legacy information system

  blockchainproofexistenceprecedenceproof-of-existenceproof-of-ownershiptraceabilitysecurityproof-of-process
  Language:JavaScript 33

• adamrefaey / private-stamp

  PrivateStamp: a private proof-of-existence DApp. Prove that you've had a file at a certain time without compromising your privacy.

  dappethereumsolidityencryptionproof-of-existencecryptographyvue
  Language:Vue 22

• luxtagofficial / Apostille-library

  The official Apostille Typescript repository

  typescriptblockchainblockchain-technologynemnem-blockchainnem-librarypoeproof-of-existenceproof-of-authenticityproof-of-ownershipnotarizationcertificationcertificate-generationtimestamptimestamping
  Language:TypeScript 20

• TomaszWaszczyk / digital-assets-association-poland

  :whale2: :whale2: https://meetup.com/Silesia-Blockchain-Meetup :whale2: :whale2:

  blockchainsilesia-blockchain-meetupethereumbitcoinmimblewimblebeamproof-of-workproof-of-stakeproof-of-existencepolandhacktoberfestpolkadotkusama-networksubstrateplasm-networksbmrust-langsubstrate-runtime
  Language:HTML 18

• gridcoin-community / stamp.gridcoin.club

  Frontend and Backend parts of the documents stamping service

  cryptocurrencygridcoinproof-of-existence
  Language:TypeScript 5

• wuddertech / wudder-python-sdk

  Wudder's Python SDK

  blockchainpipproofproof-of-existencepythonpython-sdksdksupplychaintimestamptracewudder
  Language:Python 5

• republique-et-canton-de-geneve / blockchain-document-validateur

  Application d'authentification de document PDF, utilisant la chaîne de blocs Ethereum.

  blockchainethereumgogolangdocumentauthenticationgenevageneveproof-of-existence
  Language:CSS 4

• gridcat / grc-stamp-frontend

  The front-end part of stamp.gridcoin.club project

  gridcoinproof-of-existenceblockchaincryptocurrency
  Language:TypeScript 3

• republique-et-canton-de-geneve / blockchain-document-horodateur

  Application d'horodatage de documents PDF, utilisant la chaîne de blocs Ethereum.

  blockchainethereumgogolangdocumentauthenticationgenevageneveproof-of-existence
  Language:CSS 3

• araspitzu / liability_proof

  An implementation of Gregory Maxwell merkle tree approach to prove Bitcoin liabilities, in Scala.

  bitcoinexchangeproof-of-existence
  Language:Scala 2

• dhimmel / irreproducible-timestamps

  Replication analysis of Irving & Holden 2016

  bitcointimestampsreproducibilityproof-of-existenceclinical-trialssatoshi-village
  Language:Jupyter Notebook 2

• MaxXor / proof-of-existence

  Proof of existence built on Ethereum - proof that a document, agreement, or contract existed at a specific time

  ethereumsoliditytruffleproof-of-existencejavascriptweb3smart-contractsblockchain
  Language:JavaScript 2

• roninkaizen / recipes

  pics as prooves or helpful

  synchronizationethereum-clientparity-nodeparity-clientproofproof-of-conceptproof-of-stakeproof-assistantproofofconceptproof-of-authorityproof-of-existenceproof-of-knowledgecontinuous-integrationcontinuous-deliverycontinuous-deploymentcontinuous-testingcontinous-integrationnodeparity-learninglearning-by-doing
  2

• SphaeraFintech / Apostille

  Apostille - A blockchain notarization and timestamping solution with transferable, updatable, branded, and conjointly owned notarizations.

  typescriptblockchainnemproof-of-existenceproof-of-authenticityproof-of-ownershipnotarizationcertificationtimestamping
  Language:TypeScript 2

• stallingerl / Verifile

  Proof of Existence

  blockchainproof-of-existencedoichain
  Language:JavaScript 2

• vjgaur / proof-of-existence

  Implementation of Proof of Existence consensus using Substrate Framework, Frame, Pallets, RUST

  substrate-nodesubstraterust-langconsensus-algorithmconsensus-protocolproof-of-existencepalletsrust-library
  Language:Rust 2

• wuddertech / wudder-js-sdk

  Wudder's JavaScript SDK

  jssdkblockchaintimestampproof-of-existencewuddernodenpmyarnprooftraceabilitysupplychainjs-sdktrace
  Language:JavaScript 2

• xorps / stars-poe-blockchain-app

  A sample Proof of Existence Blockchain app using NodeJS runtime

  blockchainjestnodejsproof-of-existencetypescript
  Language:TypeScript 2

• Akagi201 / subchain

  A prototype chain based on substrate

  substratepoeproof-of-existencepalletsruntimeframepolkadotblockchainpolkadot-js
  Language:Rust 1

• balajipachai / proof-of-existence

  ethereumproof-of-existencereactjsdrizzle
  Language:JavaScript 1

• korigod / toldyou

  📒 A telegram bot for Those Who Told

  telegramtelegram-botblockchainbitcoinopentimestampsproof-of-existence
  Language:Python 1

• MubizSA / blockizor.com

  Save content in an ethereum blockchain

  dappsethereumsmart-contractsolidityproof-of-existence
  Language:CSS 1

• NeziheSozen / Udacity-Blockchain-Developer-Create-Your-Own-Private-Blockchain

  Project 1- Create Your Own Private Blockchain

  asynchronous-programmingbitcoinbitcoin-corebitcoin-testnetblockchainjavascriptjavascript-promisenodejspostman-testproof-of-existenceudacity-nanodegree-blockchainweb3
  Language:JavaScript 1

• onatb / BDNP

  Udacity Blockchain Developer Nandegree

  blockchainwalletblockproof-of-existence
  Language:JavaScript 1

• P2Enjoy / proof-of-consensus

  Ce repository est le compagnon d'un article LinkedIn en lien ici dessous.

  blockchainblockchain-demosproof-of-authorityproof-of-existenceproof-of-stakeproof-of-workconsensus-algorithmproof-of-storage
  Language:Python 1