Understanding Concordium: A Comprehensive Overview

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One-Stop Stack

Optimized for stablecoin issuance — the Concordium Layer 1 protocol combines transaction execution, token programmability, and privacy-first identity into one unified stack.

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tx/s

TPS

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Finality time

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Block time

$0.0

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Layers of Resilience

Consensus, Network, Execution: Each layer of the Concordium architecture works together to provide the scalability, security, and efficiency required for real-world cases.

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Robust Consensus Layer

  • Proof-of-Stake, ConcordiumBFT based on HotStuff
  • 2,000 TPS, fork-free, 2-4s finality
  • Tolerant of 1/3 of nodes being malicious or faulty

Execution Layer

  • Deterministic & parallel execution improves efficiency
  • Smart contracts support multi-languages via WASM
  • Developer-friendly environment

Efficient Network Layer

  • Efficient peer-to-peer communication
  • Optimized for high-speed transactions and data relay
  • Nodes autonomously maintain data integrity

Build Real-World Blockchain Solutions

Join the developer community and build secure, privacy-first applications on a next-gen blockchain designed for real-world applications.

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Built for Trust-Driven Financial Applications

Build with confidence. Concordium’s resilient architecture enables protocol-level programmability with privacy-first identity and built-in compliance via Zero-Knowledge Proofs.

Privacy-First Identity

This privacy and compliance model makes Concordium’s Identity Layer a powerful solution for businesses, regulators, and users in the Web3 ecosystem.

Privacy-First ID Attribute Verification

Verification of credentials and attributes without exposing personal details.

Decentralized, Secure ID Management

Protocol-level ID through designated ID Providers combined with Identity Disclosure protected by Swiss law.

Business-Friendly

Enables multi-signature accounts and joint account management suitable for corporations to integrate ID verification seamlessly.

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Protocol-Level Tokens

Concordium’s robust and resilent architecture provides a secure programmability layer ideal for stablecoin issuers and payment participants. No smart contracts needed.

Smart Money

Tokens optimized for stablecoin issuance and management, without risky smart contract logic.

Programmable Locks

Program payment functionalities, i.e. scheduled releases, multi-signature approvals, and more.

Predictable Fiat-Pegged Fees

Stable fees tied to fiat to facilitate user onboarding.

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Privacy-Protecting Identity Proofs

Concordium‘s identity layer supports Zero-Knowledge Proofs, allowing identity attributes to be verified without compromising privacy.

Selective Identity Attribute Disclosure

Prove specific identity attributes (i.e. age, nationality) without compromising user privacy.

Strong Security & Fraud Prevention

Cryptographic proofs ensure verifiable and tamper-proof claims, preventing forgery and fraud.

Flexible Proof Mechanisms

Supports various proof statements,(i.e. equality, set membership, or range proofs) without revealing private data.

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Zero-Knowledge Proofs on Concordium

Zero Knowledge Proofs (ZKPs) allow claims of information to be securely verified. Embedded in Concordium’s protocol layer, ZKPs enable seamless and secure identity verification, protection of payment data, and trust building without compromising personal information.

Users undergo an identity check before account activation on the network with an ID service provider, enabling various innovative use cases.  

Verify Truth & Maintain Privacy

Prove a claim, event or right while ensuring user privacy and compliant payment solutions.

Reduce Compliance Costs

Streamline geofencing and KYC/AML checks without exposing excessive personal data.

Proof of Account Ownership

Provide proof of account ownership without exposing private details.

Pedersen Commitments

Concordium’s Head Architect, T.P. Pedersen pioneered a commitment protocol foundational to modern ZK applications.

ZK Implementations

Pedersen's contribution enabled lightweight ZK proofs that allow ID registration, account opening, and ID-attribute proofs from cell phones.

ZKPs Directly in Wallets

ZK-based account opening, preventing any single parties from linking ID to accounts.

Self-Sovereign Identity

All ID-attribute ZK proofs require user consent.

Accountability & Privacy

ID-attribute ZK proofs allow compliance while preserving user privacy.

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Backed by Science

The Concordium Blockchain is backed by a team of top-tier scientists from world-class universities, specializing in cryptography and formal verification. The team regularly publishes in leading international journals and collaborates with researchers worldwide.

Concordium Science COBRA

The Concordium blockchain prides itself on its strong internal team of scientists with PhDs from world-class universities.Their main focus is on cryptography and formal verification, regularly publishing research papers in leading international venues. Concordium's science team collaborates with academic researchers worldwide. Together with leading scientists, such as Ivan Damgaard and Torben Pryds Pedersen, Concordium has been involved in the publication of over 100 research papers.

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Become a Node Operator

Concordium secures its network with ConcordiumBFT, a Proof-of-Stake (PoS) consensus protocol based on HotStuffBFT. Validators create blocks, verify transactions, and uphold network integrity. Individuals and organizations can run their own nodes, ensuring direct blockchain interaction.

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Latest News

The latest news, tech updates, and resources.

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