Solana Security

On Solana, you can have a single transaction that makes multiple top-level program calls.

In contrast, an EVM tx only supports sending calldata to a single contract address.

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Is that equivalent to a native multicall? (Also is there a limit to a how many?)

A doodler and computerer. I like permissive/permissionless open source, smart contracts, p2p systems, room-scale VR, and NixOS.

shazow.net

Currently: WhatsABI

I was wondering if there was something similar to the program call depth limit you mentioned earlier.

Basically yes. I would bet the limit is the max size of the tx