Ethereum & Bitcoin General Comparison

Ethereum & Bitcoin comparison

	Ethereum	Bitcoin
Consensus Mechanism	Proof of Stake	Proof of Work
Accounting System	Account Model	UTXO Model
Public Key Cryptography	secp256k1 elliptic curve	secp256k1 elliptic curve
Stale/Orphan Blocks	Rewarded (Ommer Blocks)	Not Rewarded
Block Time	Approx every 12 seconds	Approx every 10 minutes
Network Difficulty	Adjusted every block	Every 2016 blocks
Language Support	Turing Complete smart contracts, custom VM operations cost gas	non-Turing Complete scripts
Smart Contract Development	High-level programming language support, Ethereum Virtual Machine	Limited scripting language support
Decentralized Applications (dApps)	Supports dApp development and execution	Limited support for dApps
Block Size Limit	No hard limit, but limited by block gas limit	1 MB block size limit (with SegWit up to 4 MB)
Transaction Fees	Variable and determined by gas limit and gas price	Fixed and determined by the network
Monetary Policy	Inflationary (max supply not fixed)	Deflationary (max supply fixed at 21 million BTC)
Governance	Decentralized, with Ethereum Improvement Proposals (EIPs)	Decentralized, with Bitcoin Improvement Proposals (BIPs)
Forks	Hard forks (incompatible protocol changes) and soft forks (compatible protocol changes)	Soft forks only (compatible protocol changes)