Directory

Layer 1 blockchains

9 layer 1 blockchains with the facts we checked on each project’s own pages.

9 projects · ordered by our list “Best Layer 1 Blockchains”, then A–Z · updated Sep 26, 2026

This directory lists every layer 1 blockchain we have a profile for. Each card shows the chains, platforms and custody model stated by the project. For our ranked picks with pros, cons and who should skip each one, see Best Layer 1 Blockchains.

All 9 layer 1 blockchains

Showing 9 of 9

How this directory works

  • Projects from our list “Best Layer 1 Blockchains” come first, in that order; the rest follow A–Z.
  • Chains, platforms and custody come from each project’s own pages.
  • No project pays to be listed. Full rules: methodology.

Further reading

FAQ

Which layer 1 blockchain ranks first on DappAtlas?

Ethereum is #1 in our list “Best Layer 1 Blockchains” (updated Sep 26, 2026). Ethereum has run since July 30, 2015 and switched to proof-of-stake on September 15, 2022. Blocks come in fixed 12-second slots, and its clients, such as Go Ethereum, are open source.

How is this directory ordered?

Projects ranked in “Best Layer 1 Blockchains” come first, in the order of that list; the rest follow alphabetically. The directory itself does not score projects.

Which layer 1 blockchains are open source?

Of the 9 listed, 8 state that their code is open source: Ethereum, Solana, Bitcoin, BNB Chain, Avalanche, Sui, NEAR Protocol, Aptos.

How this page works

Sources: Ethereum: official site, Solana: official site, Bitcoin: official site. Data as of Sep 26, 2026.

How we review

Not affiliated with any project listed. Educational content, not financial advice.