$BTC $ETH
🪙 Bitcoin (BTC)
Overview
Launch Year: 2009
Creator: Satoshi Nakamoto (pseudonymous)
Purpose: Digital currency for peer-to-peer transactions without intermediaries
Supply Cap: 21 million BTC
Key Features
✅ Decentralized – No central authority controls it
✅ Store of Value – Often called "digital gold"
✅ Proof of Work (PoW) – Secure but energy-intensive consensus algorithm
✅ Fixed Supply – Helps protect against inflation
Use Cases
Store of value
Cross-border transactions
Hedge against inflation
Popular Wallets
Hardware: Ledger, Trezor
Software: Trust Wallet, Electrum
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💻 Ethereum (ETH)
Overview
Launch Year: 2015
Creator: Vitalik Buterin and others
Purpose: Programmable blockchain for smart contracts and decentralized apps (dApps)
Supply: No fixed cap, but issuance is now reduced after the Merge
Key Features
🧠 Smart Contracts – Enables DeFi, NFTs, DAOs, and more
🌍 Ethereum Virtual Machine (EVM) – Powers decentralized apps
♻️ Proof of Stake (PoS) – Since the Merge in 2022 (more energy-efficient)
🔁 Layer 2 Scaling – Solutions like Arbitrum, Optimism, zkSync reduce fees and increase speed
Use Cases
Decentralized Finance (DeFi)
NFTs and Gaming
Supply Chain, Identity, and Voting
Token launches (ERC-20 standard)
MetaMask, Trust Wallet, Ledger, Trezor
⚖️ BTC vs ETH – Key Differences
Consensus Proof of Work (PoW) Proof of Stake (PoS)
Supply Cap 21 million No fixed cap
Speed Slower (10 min block) Faster (~15 sec block)