Official Blockchain Provider for Madrid City Council

Bringing institutions and enterprises on-chain.

Certitude is the omnichain infrastructure that turns institutional records into proofs beyond dispute, integrated with ISBE, Spain’s national blockchain network.

Trusted by institutions

Manifesto

Every institution generates events. Most are trapped inside private databases. Certitude makes them independently verifiable, and permanent.

Stack

Modular by design.

Six layers between your systems and a proof anyone can check, with iBS, the trust layer, at the core. Each one does a single job.

  1. 01Networks

    Proofs are anchored on public chains such as Ethereum, Polygon and Gnosis Chain, on private and permissioned chains, and on ISBE, Spain’s public-permissioned network, through Certitude’s integration.

    • Ethereum
    • Polygon
    • Gnosis Chain
    • Private chains
    • ISBE
  2. 02iBSiBS trust layer

    The core of Certitude, and the platform behind every product and case on this page. Every record gets a SHA-512 hash and an external timestamp, then is anchored across chains, each chosen by availability.

    • SHA-512 hash
    • External timestamp (TSA)
    • Blockchain anchor
    • Multichain
  3. 03Zero-knowledge proof engine

    Prove a fact without revealing the data behind it. The data stays private; the proof stays public.

  4. 04Post-quantum cryptography

    Cryptography designed to stay secure against future quantum attacks, so a record certified today still holds.

  5. 05iBS API

    Connect through the iBS API, SDK or webhooks without changing existing systems. Low-code and serverless, with nothing to run, and you pay to write records, not to read them. Identity follows open standards anyone can check.

    • API
    • SDK
    • Webhooks
    • Dashboard
    • W3C Verifiable Credentials
    • DIDs
  6. 06Applications

    Certitude’s own products run on top, next to the applications customers build on the same layer.

    • Privaro
    • CertyPass
    • CertyFirma
    • CertyLabel
    • CertyFile
    • MusicDibs
  7. Built for regulated work.

    A record enters through an application or the API, is sealed by the trust layer and anchored on the networks below. All of it is designed in line with eIDAS, AML and MiCA, with retention controls that comply with GDPR.

    • eIDAS
    • MiCA
    • AML
    • GDPR
    • 99.9% uptime SLA
Palacio de Cibeles, the seat of Madrid City Council

Ayuntamiento de Madrid

Official blockchain provider to Madrid City Council.

2022
Winner of the National Blockchain and Advanced Technologies Awards, convened by the council
27 Nov 2023
Accepted by the council as its official blockchain solution
Read the announcement
ISBEBlockchain Services Infrastructure of Spain

Integrated with ISBE, Spain’s national blockchain infrastructure.

Spain’s public-permissioned network, governed together by public administrations and companies. Certitude integrates with it, so a record can be anchored on ISBE and verified on public chains alike.

  1. 2025Live in the Community of Madrid
  2. 2026More autonomous communities join
  3. 2026Interoperability with EBSI, the European Blockchain Services Infrastructure

From ISBE’s published roadmap.

An initiative backed by Spain and the European Union

ISBE is a project of the Community of Madrid and Consorcio Red Alastria, within Spain’s Recovery Plan, funded by the EU through NextGenerationEU.

  • Funded by the European Union, NextGenerationEU
  • Government of Spain, Ministry for Digital Transformation and the Civil Service
  • Recovery, Transformation and Resilience Plan
  • Community of Madrid
  • Alastria

ISBEFeatured by ISBE

iPASS: Digital Product Passport on ISBE

Our digital product passport, now CertyPass, presented at the ISBE Demo Day on 17 November 2025, in the Innovation Sandbox Environment driven by Alastria and the Community of Madrid. ISBE’s newsroom wrote it up.

certypass.comRead ISBE’s article
  • Public and privateA reliable infrastructure for public and private applications.
  • GDPR and eIDAS2 compliantRegulatory compliance by design ensures legal validity.
  • DecentralisedGovernance is shared among several entities.
  • SustainableLow energy, thanks to an efficient consensus mechanism.
How it works

From event to evidence.

Certitude separates execution from certification. The system that runs a process is never the one that produces its evidence.

  1. 01Capture

    Your platform sends each event as it happens, such as a KYC check, a procurement document or a supply chain milestone. It connects through API, SDK or webhooks, without changing existing systems.

    Example receiptListening
    Event
    Waiting for an event
  2. 02Certify

    Certitude computes a SHA-512 hash of the record and seals it with an external timestamp (TSA). Any change to the data produces a different hash.

    Example receiptCertifying
    SHA-512 hash
    Timestamp (TSA)
  3. 03Record

    The proof is anchored on blockchain, on public networks such as Ethereum, Polygon and Gnosis Chain, or on ISBE through Certitude’s integration. It now lives outside the system that ran the process.

    Example receiptAnchoring
    Blockchain anchors
    • Ethereum
    • Polygon
    • Gnosis Chain

    Illustrative values, not real transactions

  4. 04Verify

    Regulators, auditors and third parties check the record against its proof themselves, without relying on the operator.

    Example receiptVerifying
    Independent verification
    • Regulator
    • Auditor
    • Third party
Ecosystem & impact

Institutions already proving it.

Public administrations, certification bodies and regulated platforms already turn real processes into verifiable evidence with Certitude.

AENOR

Certification case

Legal compliance
Impossibility of real-time verification and counterfeits.
Control and audit
The entire value chain until the final consumer.
Product used
iBS
Read the case study: AENOR
“Thanks to iBS our certifications can be verified in real time and with complete confidence.”

Rafael GarcíaGeneral Director, AENOR

Certifications ready for immediate verification

  • Digital evidence linked to each certification
  • Immediate verification by third parties
  • Guaranteed evidentiary integrity
  • Audit-ready from issuance

AENOR, 1 of 6

11 more, from Madrid City Council to Zertifika, each with its own case study.

All case studies17
Built on Certitude

Six products on one trust layer.

Each one turns everyday events into evidence anyone can check through iBS, the trust layer at the core of Certitude. The newest, Privaro, brings that to AI.

  1. PrivaroAI privacy layerNew

    Privaro finds personal data in prompts and responses, swaps it for reversible tokens before it reaches any AI model, and certifies every interaction on blockchain through iBS, the Certitude API.

    • Reversible tokens encrypted with AES-256-GCM, so names, IDs and IBANs never reach the model.
    • Every log entry is SHA-512-hashed and certified, so auditors can verify it without trusting Privaro.
    • JavaScript and Python SDKs, an n8n node and an MCP endpoint for AI agents.
    Visit privaro.ai (external site)
  2. CertyPassDigital Product Passport

    CertyPass gives every product a digital passport: each lifecycle milestone becomes a signed verifiable credential, registered on blockchain and checkable from a QR code.

    • W3C Verifiable Credentials and DIDs, with a unique identifier for each product.
    • Anyone can verify a passport by QR or URL without seeing your internal data.
    • Ready for the EU Battery Regulation, which requires the passport from February 2027.
    Visit certypass.com (external site)
  3. CertyFirmaAdvanced e-signature

    CertyFirma signs documents with an advanced electronic signature without digital certificates, using biometric identity verification and blockchain evidence.

    • Built on the advanced signature requirements of eIDAS article 26.
    • Every signing event is recorded on blockchain, and each signer receives the full trace.
    • Signs on mobile and plugs into ERP, CRM and HR software.
    Visit certyfirma.com (external site)
  4. CertyFileFile certification

    CertyFile certifies any digital file on blockchain in one click, from contracts and minutes to designs, photos and audio.

    • Choose public or private certification for each file.
    • Share the proof by email or messaging apps.
    • Used to certify training and event attendance.
    Visit certyfile.com (external site)
  5. CertyLabelCertified digital labels

    CertyLabel turns the wine labelling rules of EU Regulation 2021/2117 into a QR code that opens ingredient and nutrition data certified on blockchain.

    • Wineries verify their identity first, so nobody can issue labels in their name.
    • QR codes never expire and stay valid when the label is updated.
    • Room for origin traceability, lab reports and awards.
    Read the launch
  6. MusicDibsMusic authorship

    MusicDibs registers a song's authorship with a certificate tied to the artist's verified identity and sealed on blockchain.

    • Each work is registered with international legal validity, then distributed to 220+ music platforms.
    • Public or private registration, with proof you can share.
    • Proof of authorship aligned with the Berne Convention and the WIPO Copyright Treaty.
    Visit musicdibs.com (external site)
Team

The team behind the network.

  • Miguel A. PérezCEO

    Miguel A. Pérez

    PhD Telecommunications & Engineering

    Previously at

  • Álvaro ChicoCTO

    Álvaro Chico

    Full-Stack Software Engineer

    Previously at

  • Mario GarcíaCMO

    Mario García

    Marketing & DLT Specialist

    Previously at

  • Luis M. CoutoCOO

    Luis M. Couto

    MBA, BBA

    Previously at

QED token

QED, the native token of Certitude.

It pays for every proof on the network, backs the validators that seal them, and gives holders a say in how Certitude evolves.

Why it is called QED

  1. Quantum-safe

    Post-quantum cryptography, so a proof made today still holds when quantum computers arrive.

  2. Encrypted

    Records stay encrypted, and zero-knowledge proofs confirm a fact without revealing the data.

  3. Decentralised

    Anchored across public and permissioned chains, so no single party can rewrite a record.

Quod erat demonstrandum. Which was to be proven: the line that closes a proof, and the last step of every record on Certitude.

What QED does

  1. 01

    Pays for proof

    Every certification, anchor and API call settles in QED, from gas and contract execution to API credits.

  2. 02

    Secures the network

    Holders stake QED behind the validators that seal each record, and earn staking rewards for it.

  3. 03

    Governs the protocol

    Holders vote on protocol upgrades and economic parameters, or delegate their vote to someone they trust.

Where to trade QED

On Uniswap, on Robinhood Chain.

QED lives on Robinhood Chain, the permissionless Layer 2 built for financial services and tokenized real-world assets.

Robinhood ChainContract on Robinhood Chain0x9ED5…6d81