Bitcoin vs Ethereum — Comparison for Beginners

Comparison of Bitcoin (BTC) and Ethereum (ETH) for beginning investors. Technological differences, applications, risks and how to start investing.

11 min czytania

Cryptocurrencies — Are They Worth It?

Cryptocurrencies are one of the most controversial asset classes. Some see them as the future of finance, others — a speculative bubble. Regardless of opinion, Bitcoin and Ethereum have become permanent elements of global financial markets, with combined capitalization exceeding $2 trillion.

This guide is an objective comparison of two largest cryptocurrencies — without hype or FUD.

Bitcoin (BTC) — Digital Gold

What Is It?

Bitcoin is the first cryptocurrency, created in 2009 by anonymous Satoshi Nakamoto. It functions as a decentralized, digital currency without intermediaries.

Key Features

  • Supply limit: maximum 21 million BTC (there will never be more)
  • Halving: every ~4 years mining reward drops by half
  • Proof of Work: consensus based on computational power
  • Main use: store of value

Arguments For

  • Longest history and greatest trust
  • Limited supply = potential inflation hedge
  • Growing institutional adoption (BTC ETFs in USA)
  • Simplicity — does one thing and does it well

Arguments Against

  • High volatility (50–80% drops in bear markets)
  • Energy-intensive mining (Proof of Work)
  • Slow transactions (~7 per second)
  • No smart contracts in base layer

Ethereum (ETH) — Smart Contract Platform

What Is It?

Ethereum is blockchain platform created in 2015 by Vitalik Buterin. Unlike Bitcoin, Ethereum is not just currency — it's programmable blockchain.

Key Features

  • No supply limit (but ETH burning mechanism reduces inflation)
  • Proof of Stake: consensus based on staking (since 2022, "The Merge")
  • Smart contracts: programmable contracts that execute automatically
  • Main use: DeFi, NFT, decentralized applications (dApps)

Arguments For

  • Largest smart contract ecosystem
  • DeFi (decentralized finance) built mainly on Ethereum
  • Proof of Stake — 99.95% less energy than Proof of Work
  • Continuous development (roadmap: sharding, rollups)

Arguments Against

  • High volatility (similar to BTC)
  • High transaction fees during peaks (gas fees)
  • Competition (Solana, Avalanche, Cardano)
  • Complexity — harder to understand for beginners

BTC vs ETH Comparison

Parameter Bitcoin (BTC) Ethereum (ETH)
Year created 2009 2015
Creator Satoshi Nakamoto Vitalik Buterin
Consensus Proof of Work Proof of Stake
Supply Max 21M Unlimited*
Smart contracts No (basic) Yes
Main use Store of value dApps platform
Volatility (historical) Very high Very high
Stock market correlation Rising Rising

*EIP-1559 mechanism burns part of fees, which may cause net deflation.

How to Buy BTC and ETH in Poland?

Cryptocurrency Exchanges

  • Binance — largest exchange, low fees (0.1%)
  • Zonda (formerly BitBay) — Polish exchange, PLN deposits
  • Kraken — reputable exchange, good for beginners
  • Coinbase — easy to use, higher fees

Cryptocurrency ETFs

In 2024 SEC approved Bitcoin ETFs, and later Ethereum. European investors can buy ETP (Exchange Traded Products):

  • CoinShares Physical Bitcoin (listed on European exchanges)
  • 21Shares Ethereum ETP

ETFs/ETPs are convenient option — buy through regular broker, without crypto wallet.

How Much Crypto in Portfolio?

Most financial experts recommend maximum 5–10% of portfolio in cryptocurrencies. This is extremely volatile asset class — allocation should reflect your risk tolerance.

Example allocation:

  • 70% stock ETFs (S&P 500, MSCI World)
  • 20% bonds
  • 5% Bitcoin
  • 5% Ethereum

Security — How to Store?

  • Hardware wallet (Ledger, Trezor) — safest for large amounts
  • Exchange — convenient, but hack risk
  • Rule: "Not your keys, not your coins"

Cryptocurrency Taxes in Poland

  • 19% PIT on profits from cryptocurrency sales
  • Annual settlement in PIT-38
  • Crypto losses do not offset stock gains
  • Crypto-to-crypto exchange is not taxable event (since 2019)

How Freenance Can Help?

Freenance helps track cryptocurrencies as part of your overall portfolio:

  • Exchange integration — connect accounts on Binance, Zonda and others
  • Asset allocation — control how much of portfolio is cryptocurrency
  • Volatility — see how crypto affects total portfolio volatility
  • Runway — Financial Freedom Runway including all assets

👉 Track cryptocurrencies in your portfolio — freenance.io

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