For example, in Etherscan it's possible to view source codes of Ethereum Smart Contracts. Is it possible to see content of Solana Programs in a similar way? I am trying to understand if deployed programs source code exposed to public.

1 Answer 1


For Anchor verified programs, you can find their source code on both apr.dev and explorer.solana.com.


The Mango program 5fNfvyp5czQVX77yoACa3JJVEhdRaWjPuazuWgjhTqEH states that it is Anchor Verified on the explorer, and you can view all the source code for the program on the Anchor Program Registry.

  • Does it mean that programs are closed-source by default? I am assuming being "Anchor Verified" is optional thing and up to program owner.
    – curiosity
    Commented Jul 14, 2022 at 1:56
  • 1
    Just like other chains, programs are closed source by default
    – Jacob Creech
    Commented Jul 14, 2022 at 2:03
  • 1
    is there any update to this? APR.dev seems not to work anymore :(
    – AceGravity
    Commented Dec 13, 2023 at 13:07

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