What is a smart contract?
Smart contracts are executing code that run without an intermediary, and the building block behind DeFi, stablecoins, and NFTs. Learn how they work.
Metamask Learn
Metamask Learn
Blockchain
See how blockchains work, from consensus and nodes to the layers powering web3.
The era of digital identity
Explore how decentralized technology and web3 is reinventing who you are online.
Bitcoin vs Ethereum: what's the difference?
Bitcoin and Ethereum are the two largest blockchain networks by market cap, but they were built for different purposes. Explore how they compare.
What is blockchain and how does it work?
A blockchain network is decentralized by design. No single company or government controls the record. Public blockchains like Ethereum and Bitcoin are open to anyone; private blockchains restrict access to approved participants.
Decentralization trends in 2026: how blockchain is reshaping industries
From DeFi trading and tokenized Treasuries to supply chain tracing and DAO governance, explore how decentralization is driving measurable change.
Key differences between Solana and competing Layer 1 blockchain networks
Explore Solana's architecture, speed, fees, validator setup, and use cases versus other blockchain networks.
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