Bitcoin vs Stellar

Bitcoin 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

BitcoinStellar
Created bySatoshi NakamotoJed McCaleb
Native tokenBTCXLM
Consensus algorithmPoWPoS
Hashing algorithmSHA-256SCP
Supports EVMNoNo
TPS5200
Block time (secs)6005
Layer11
Supports smart contractsNoYes
Average transaction fee$5.0973$8.5e-9
Staking rewards (APR)0%1%

Detailed Comparison

Core Technology & Purpose

Bitcoin and Stellar represent two distinct approaches to blockchain technology, each designed with different primary objectives.

Bitcoin was created as a pure digital currency system, focusing on being a decentralized store of value and medium of exchange. Its primary goal is to provide an alternative to traditional financial systems and government-controlled currencies.

Stellar, on the other hand, was designed as a cross-asset transfer platform, specifically built to facilitate fast and affordable transactions between different currencies and assets. While Bitcoin challenges traditional currency systems, Stellar aims to enhance and connect them.

Performance Metrics

The performance characteristics between these networks show significant differences:

  • Transaction Speed (TPS)
    • Bitcoin: 5 TPS
    • Stellar: 200 TPS

Stellar's significantly higher transaction throughput makes it more suitable for regular payment processing and real-world applications. This 40x improvement in TPS allows Stellar to handle much higher transaction volumes, making it more practical for institutional use and everyday transactions.

  • Block Time
    • Bitcoin: 600 seconds (10 minutes)
    • Stellar: 5 seconds

The dramatic difference in block time means Stellar can confirm transactions much faster than Bitcoin. This 120x faster confirmation time provides near-instant finality, making Stellar more suitable for point-of-sale and time-sensitive transactions.

Transaction Costs

The fee structures reveal a stark contrast:

  • Bitcoin: Average fee of $5.0973 per transaction
  • Stellar: Average fee of 0.0000000085 XLM (practically negligible)

Stellar's near-zero transaction fees make it extremely cost-effective for micro-transactions and regular payment processing. Bitcoin's higher fees make it less practical for smaller transactions, pushing it more toward a store of value role rather than a daily transaction medium.

Consensus and Security

Both networks employ different approaches to achieving consensus:

  • Bitcoin: Proof of Work (PoW) with SHA-256 hashing
  • Stellar: Proof of Stake (PoS) with Stellar Consensus Protocol (SCP)

Bitcoin's PoW system provides robust security through significant computational work, making it extremely difficult to attack the network. However, this comes at the cost of high energy consumption.

Stellar's PoS system with SCP offers a more energy-efficient approach while maintaining security. It also enables faster transaction finality and lower operational costs.

Smart Contract Capabilities

  • Bitcoin: No native smart contract support
  • Stellar: Supports smart contracts

This fundamental difference affects the versatility of each network:

Bitcoin's lack of smart contract capability keeps it focused on its core function as a digital currency and store of value. This simplicity contributes to its security and reliability.

Stellar's smart contract support enables more complex financial operations, including:

  • Automated market making
  • Custom token creation
  • Programmable transactions

Staking and Rewards

  • Bitcoin: No staking rewards (mining-based)
  • Stellar: 1% staking rewards

Bitcoin's mining-based system rewards network participants through block rewards and transaction fees, requiring significant computational resources and energy investment.

Stellar's staking system provides a more accessible way for token holders to participate in network security and earn rewards, with lower barriers to entry and energy requirements.

Network Architecture

Both networks operate as Layer 1 solutions but with different approaches:

Bitcoin's architecture prioritizes decentralization and security over scalability, following the blockchain trilemma trade-offs. Its conservative approach to changes helps maintain stability but can limit innovation.

Stellar's architecture focuses on interoperability and efficiency, with built-in features for asset issuance and exchange. This makes it more suitable for financial institutions and cross-border payments.

Supply Economics

Both networks have interesting approaches to token supply:

  • Bitcoin: Fixed supply of 21 million (gradually released through mining)
  • Stellar: No maximum supply limit

Bitcoin's fixed supply creates scarcity, supporting its use case as a store of value and potential hedge against inflation.

Stellar's approach allows for more flexibility in token distribution and network growth, though this could potentially lead to inflation concerns if not properly managed.

Developer Community and Ecosystem

Both networks maintain active development communities:

Bitcoin's development focuses on core protocol improvements and security enhancements, with a conservative approach to changes. The ecosystem primarily builds around custody, trading, and payment solutions.

Stellar's development encompasses a broader range of applications, including:

  • Financial services integration
  • Cross-border payment solutions
  • Asset tokenization platforms
  • Decentralized exchange functionality

This difference in ecosystem focus reflects their distinct objectives and capabilities, with Stellar providing more tools for financial innovation while Bitcoin maintains its focus on being a secure, decentralized currency.

FAQs

Is Bitcoin faster than Stellar?

No, Bitcoin only processes 5 transactions per second. Stellar processes up to 200.

Is Bitcoin cheaper than Stellar?

No, Bitcoin has an average transaction fee of $5.0973, whereas Stellar costs $8.5e-9.