Cardano vs Stellar

Cardano and Stellar are two popular blockchains. In this article we'll compare them across a variety of metrics. Both blockchains have their own strengths and weaknesses, and we'll explore them below.

Table of Contents

  1. Metrics
  2. Detailed Comparison
  3. FAQs

Metrics

CardanoStellar
Created byCharles HoskinsonJed McCaleb
Native tokenADAXLM
Consensus algorithmPoSPoS
Hashing algorithmEdDSASCP
Supports EVMNoNo
TPS250200
Block time (secs)205
Layer11
Supports smart contractsYesYes
Average transaction fee$0.18$8.5e-9
Staking rewards (APR)5%1%

Detailed Comparison

Core Technology and Purpose

Cardano and Stellar represent two distinct approaches to blockchain technology, each with its own specialized focus. Cardano positions itself as a comprehensive blockchain platform with a philosophy of simplicity, aiming to streamline blockchain interactions into three core functions: staking, spending, and voting. In contrast, Stellar has a more targeted mission, specifically focusing on facilitating cross-asset transfers of value and serving as a bridge between different currencies.

Performance Metrics

Both chains demonstrate strong but different performance characteristics:

  • Transaction Speed (TPS)
    • Cardano: 250 TPS
    • Stellar: 200 TPS

While Cardano edges out Stellar in raw TPS, the difference is relatively minor. Both chains offer substantial throughput compared to first-generation blockchains, making them viable for real-world applications.

  • Block Time
    • Cardano: 20 seconds
    • Stellar: 5 seconds

Stellar's significantly faster block time means quicker transaction finality, making it particularly well-suited for its core use case of cross-border payments where speed is crucial. Cardano's longer block time represents a deliberate trade-off for increased security and decentralization.

Transaction Costs

The fee structures show a marked difference:

  • Cardano: Average fee of 0.18 ADA
  • Stellar: Extremely low fee of 0.0000000085 XLM

Stellar's ultra-low transaction fees make it exceptionally attractive for micropayments and frequent transactions, aligning perfectly with its mission of facilitating global value transfer. Cardano's higher fees, while still reasonable, reflect its more complex smart contract capabilities and broader platform functionality.

Staking and Rewards

The staking mechanisms reveal different approaches to network participation:

  • Cardano: 5% staking rewards
  • Stellar: 1% staking rewards

Cardano offers significantly higher staking rewards, encouraging long-term holder participation in network security. This aligns with its proof-of-stake consensus mechanism and governance model. Stellar's lower staking rewards reflect its focus on transaction processing rather than staking as a primary feature.

Technical Architecture

Both platforms share some common elements while maintaining distinct characteristics:

  • Smart Contracts: Both support smart contracts, though their implementations differ
  • Consensus: Both use variants of Proof-of-Stake
  • EVM Compatibility: Neither chain is EVM compatible

Cardano uses the EdDSA hashing algorithm, focusing on academic rigor and formal verification. Stellar employs the Stellar Consensus Protocol (SCP), optimized for fast, efficient settlement of cross-border transactions.

Network Economics

Both chains share an interesting characteristic:

  • Maximum Supply: Neither has a fixed maximum supply
  • Token Utility:
    • ADA: Used for staking, governance, and transaction fees
    • XLM: Primarily serves as a bridge currency and transaction fee payment

Development Philosophy

The chains exhibit distinct development approaches:

  • Cardano:

    • Emphasizes academic research and peer review
    • Focuses on formal verification
    • Implements changes through a staged process
  • Stellar:

    • Prioritizes practical implementation
    • Focuses on financial inclusion
    • Emphasizes speed and efficiency in cross-border payments

Target Applications

The platforms serve different primary use cases:

  • Cardano targets:

    • Decentralized applications (dApps)
    • Governance systems
    • Digital identity solutions
    • Academic and enterprise applications
  • Stellar focuses on:

    • Cross-border payments
    • Currency exchange
    • Remittance services
    • Financial inclusion initiatives

Leadership and Development

Both projects benefit from experienced leadership:

  • Cardano: Founded by Charles Hoskinson, co-founder of Ethereum
  • Stellar: Created by Jed McCaleb, co-founder of Ripple and Mt. Gox

The founders' backgrounds influence their respective platforms' directions, with Hoskinson's academic approach evident in Cardano's development and McCaleb's financial technology experience shaping Stellar's focus on payment solutions.

Community and Ecosystem

Both platforms maintain active development communities:

  • Cardano:

    • Strong academic partnerships
    • Focus on developer education
    • Active governance participation
  • Stellar:

    • Partnerships with financial institutions
    • Focus on real-world adoption
    • Strong emphasis on financial inclusion

The ecosystems reflect their different missions, with Cardano building a broad platform for various applications and Stellar focusing on financial infrastructure and partnerships.

FAQs

Is Cardano faster than Stellar?

Yes, Cardano can process 250 transactions per second. Stellar only processes up to 200.

Is Cardano cheaper than Stellar?

Yes, Cardano has an average transaction fee of $0.18, whereas Stellar costs $8.5e-9.