Algorand BetaNet receives version 4.3.0 with SHA-512 block headers and falcon_verify opcode
The go-algorand project released version 4.3.0 of the Algorand BetaNet consensus upgrade on September 3, 2025. The update adds SHA-512 hashing to block headers for post-quantum resiliency, enables the falcon_verify opcode, and introduces a transaction access list for improved resource management.
Developers using the SDK or running custom block followers may need to update their software to maintain compatibility with the new logic signature formats introduced in this release.
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