Certificado

What it does

Certificado is a way to get your own skillfolio on blockchain in 2 clicks. Finished course on programming? - Get your graduation certificate via Certificado bot! Special qr-code on document ensures that it's not fake and is stored in blockchain.

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  Smart Diploma2017 · ▲193

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  Certopus2022 · certopus.com · ▲70

  Design & deliver verifiable certificates

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  Certo – An open source platform to deliver Open BadgesAug 2026 · github.com · ▲17

  Certo is open-source infrastructure for issuing, managing, verifying, and exchanging digital credentials. It implements Open Badges 3.0[1] and W3C Verifiable Credentials[2] which are the open standards that make credentials portable, machine-verifiable, and vendor-independent. It is designed to be: - Self-hosted: run it inside your own infrastructure, air-gapped network, or sovereign cloud - Standards-compliant: credentials it issues work with any OB3/VC-compatible system - API-first: everything the UI can do, the API can do - Exportable: your data is always yours, in open formats -…

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  Stampery2015 · stampery.com · ▲118

  Certify your emails using the blockchain

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  Cert02025 · i.cert0.com · ▲21

  Timestamp your creativity, protect your legacy

• 
  SimCity, but with Permits▲938

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 6d ago · permit.petercai.com

• IV
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  Life & fun · 20d ago · bigwords.page

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  A PHP security challenge. Find the hidden bitcoin key. First person to get the wallet wins.

  Life & fun · 2d ago · stealmybitcoin.com

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 13d ago · guitoro.com

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  Mighty▲931

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  Work · 2021

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  Build your landing page with these 100+ tools

  Growth · 2021 · landingpage.fyi

• PF
  PDFs from HTML▲742

  Life & fun · 2021 · pdf.math.dev