Andreessen Horowitz Leads $50M Funding Round for Matter Labs

Matter Labs will use the funding to expand its scientific and engineering teams and finance its business growth.

Nov 8, 2021 at 1:28 p.m. UTC
Updated Nov 8, 2021 at 3:19 p.m. UTC

Matter Labs, the firm behind Ethereum layer 2 scaling protocol zkSync, has raised $50 million in a Series B funding round led by Andreessen Horowitz (a16z), the company said Monday.

  • The funding will be used to finance Matter Labs’ business growth, including expanding its scientific and engineering teams.
  • Other investors in the round included Placeholder, Dragonfly and 1kx, who also participated in the $6 million Series A funding round that closed in February.
  •,, Consensys, Bybit, OKEx, Alchemy, Covalent, Aave, ParaSwap, Lido, Futureswap, Gnosis, Rarible and others also contributed to the round.
  • Matter Labs builds zero-knowledge (ZK) proof technology on Ethereum and launched its first public ZK rollup prototype in 2019.
  • ZkSync version one is a ZK rollup for payments that is designed to speed up transactions and has been live on the Ethereum mainnet since July 2020.


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Tanzeel Akhtar is a CoinDesk news reporter based in the UK.