Learn More

Crypto & DeFi · Frankfurt, Germany

Blocksize Capital

Blocksize is a German crypto market data provider that aggregates real-time crypto and tokenized asset prices from 70+ exchanges and publishes them into leading oracle networks and via one API.

Headquarters
Frankfurt, Germany
Founded
2018

About Blocksize Capital

Blocksize aggregates crypto and tokenized stock (RWA) prices from more than 70 exchanges and 9,000+ pairs, delivering feeds over WebSocket/API at sub-250ms latency. It operates publishers, nodes and RPC endpoints across eight oracle networks including Chainlink, Pyth, Redstone, Supra, api3, Band, Tellor and Seda, and also acts as a validator on Solana and Polygon. It serves developers, startups, businesses, oracles and financial institutions, operating from compliant infrastructure in Germany.

What Blocksize Capital offers

  • Real-time aggregated crypto market data API
  • Tokenized stock / RWA price feeds
  • Oracle network data publishing
  • Node and RPC infrastructure operation
  • Blockchain validator services
  • Agentic data / MCP access
  • Institutional crypto data

Who Blocksize Capital serves

  • DeFi protocols
  • Oracle networks
  • Developers
  • Startups
  • Businesses
  • Financial institutions
  • Blockchain foundations

Topics

  • crypto market data
  • oracles
  • price feeds
  • DeFi
  • RWA
  • API
  • node operations
  • validator
  • VWAP
  • blockchain infrastructure

Similar fintech companies

  • Tangany GmbH+315

    Crypto & DeFi · Munich, Germany

    Tangany is a BaFin-regulated, MiCA-licensed German custodian that provides API-first, white-label digital asset custody to banks, brokers and other financial institutions.

  • Boerse Stuttgart Digital

    Crypto & DeFi, Wealth, Insurance · Stuttgart, Germany

    Boerse Stuttgart Digital provides regulated crypto and digital asset infrastructure (brokerage, exchange and custody) for financial institutions.

  • Wyden+420

    Crypto & DeFi · Zurich, Switzerland

    Wyden provides an institutional trading platform that lets banks and brokers run digital asset trading, treasury, settlement and accounting on one system.

  • Macrobanx+365

    Banking, Payments, Crypto & DeFi · Tallinn, Estonia

    Advapay is a core banking software vendor and fintech consultancy that helps companies launch digital banks, payment and e-money businesses.

  • Narvi+315

    Crypto & DeFi · Helsinki, Finland

    Narvi Payments is a Finnish-regulated Electronic Money Institution that provides business accounts with dedicated IBANs, SEPA and SWIFT payments, and Banking-as-a-Service APIs.

  • Nium+270

    Payments, Crypto & DeFi, Regtech · Singapore

    Nium provides global payments infrastructure, offering real-time cross-border payouts, card issuance, stablecoin services and FX through a single API.

More in the database

Profile researched by Alexandra Studio from public information about Blocksize Capital, updated 10 November 2026. Something wrong or missing? Update your company or remove it.