Data Availability (DA) – Ensuring the transaction data behind rollup block headers has been published and made available so that anyone can recreate the state.

Data Availability (DA) – Ensuring the transaction data behind rollup block headers has been published and made available so that anyone can recreate the state.

https://members.delphidigital.io/reports/the-complete-guide-to-rollups/

20. hacking @ https://www.spire.dev/ 
previously intern Nethermind, epns.io

They’re awesome. Been enjoying seeing them help build astroport

delphi is *seriously* underrated in the industry