Solana Triples Transaction Size Limit With Major Mainnet Upgrade Boosting Capacity

TL;DR:

• Solana raised its maximum transaction size from 1,232 bytes to 4,096 bytes through Transaction V1, giving developers more room for complex operations.
• The upgrade supports zero-knowledge proofs, multisignature wallets and atomic multi-step transactions while preserving backward compatibility with older formats.
• Infrastructure providers must update systems to read V1 transactions, while the change narrows Solana’s structural gap with Ethereum without altering the network’s transactions-per-second capacity or overall throughput capacity.

Solana has activated a major mainnet upgrade that raises the maximum transaction size from 1,232 bytes to 4,096 bytes, more than tripling the amount of data a single transaction can carry. The change went live Tuesday at the start of epoch 1,035, around 1:00 a.m. UTC, through the new Transaction V1 format. The expansion gives developers more space for complex instructions, signatures and application data. The core change is capacity per transaction, not transaction throughput, allowing Solana applications to execute heavier operations without automatically splitting them across multiple transactions.

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