Bitcoin vs Ethereum: Which is the Better Long-Term Buy?

Asking “Which is better?” is like asking “Is Gold better than Oil?” They are fundamentally different assets. Bitcoin is a fortress for saving wealth. Ethereum is a supercomputer for building applications. Here is how to decide which one belongs in your portfolio.

BMT Investment Research Team BMT Investment Research Team · 📅 Jan 2026 · ⏱️ 5 min read · INVESTING › CRYPTO
Bitcoin
Gold
Store of ValueSave
Ethereum
Oil/Web
Smart ContractsBuild
Supply
Fixed
BTC vs Dynamic ETHFact

The Fundamental Difference

Bitcoin is designed to be a Ledger (Who owns what). Ethereum is designed to be a Computer (If X happens, then do Y).

Feature Bitcoin (BTC) Ethereum (ETH)
Primary Use Money / Savings Apps / Contracts
Max Supply 21 Million (Hard Cap) Unlimited (But Burns*)
Consensus Proof of Work (Mining) Proof of Stake (Staking)
Speed (L1) Slow (~7 TPS) Medium (~15 TPS)
*What is “Burning”?
Ethereum doesn’t have a hard cap like Bitcoin, but it has a mechanism (EIP-1559) that destroys (“burns”) a portion of ETH every time someone makes a transaction. In busy times, ETH supply actually shrinks (Deflationary).
Investment Risk Profile
Bitcoin Volatility High
Less risky than alts.
Ethereum Volatility Very High
Higher Beta.
ScenarioWinner
Inflation HedgeBitcoin
Web3 AdoptionEthereum

What Could Kill Them?

Nothing is guaranteed. Here are the biggest threats to each.

Bitcoin’s Threat: “Obsolescence”

Critics say Bitcoin is “old tech” (like a fax machine). It doesn’t do smart contracts well.
Counter-argument: Gold is also “old tech,” but central banks still hoard it. Bitcoin’s simplicity is its security feature, not a bug.

Ethereum’s Threat: “Competition”

Ethereum is slow and expensive to use (Gas fees). Competitors like Solana (SOL) are faster and cheaper.
Counter-argument: Ethereum has moved to “Layer 2” networks (Optimism, Arbitrum) which make it fast. Plus, all the big money (Stablecoins, DeFi TVL) is already locked on Ethereum.

Pro Tip: The “60/40” Crypto Portfolio

Don’t put all your eggs in one coin.

The Barbell Strategy

60% Bitcoin: This is your savings account. It stabilizes the portfolio.
30% Ethereum: This is your growth stock. It captures the upside of new tech.
10% Speculative: Solana, Memecoins, etc. (Optional gambling money).
(Note: Even 1% crypto allocation in a traditional portfolio can boost returns significantly).

Frequently Asked Questions

What about ETFs?
Both have Spot ETFs now. You can buy BTC and ETH directly in your brokerage account (Fidelity/Vanguard) without dealing with wallets or private keys. This brought massive institutional money into both assets.
Is Ethereum a security?
Gray Area. The SEC has officially approved ETH ETFs, which implies it is a Commodity (like Bitcoin), but regulatory risks remain higher for ETH than BTC due to its “Staking” yield mechanism.