Solana rent cut puts excess SOL within reach

Solana accounts are now collectively over-funded against their new rent-exempt minimums, and the primary document Solana published lays out how authorities pull that excess back — without closing accounts or touching token balances.

The mechanism comes through a reimplementation of the Token Program using Pinocchio, also called P-token, which introducesWithdrawExcessLamports. That instruction strips SOL above the rent-exempt floor from a token account, mint, or multisig account while leaving the account itself open. It’s exposed through@solana-program/token and available for Token 2022 through@solana-program/token-2022, per Solana’s document.

The floor is calculated from an account’s data size against the currentlamports_per_byte value. As that rate falls, the gap between an existing balance and the new minimum grows reclaimable. A token account withdrawal needs the owner’s signature; a mint withdrawal requires the mint authority, or the mint itself if that authority has already been revoked. Phase one’s direct beneficiaries, in other words, are token-account owners, mint authorities, and multisig authorities who are willing to actually complete the signature step.

Program-owned accounts — PDAs included — are a different problem. Their programs have to add a reclaim instruction that directly mutates lamport balances.

Solana’s stated benefit is that previously locked rent balances can become spendable, but the recovery is not automatic. Authorities must call the instruction and sign it. The excess stays exactly where it is until both conditions are met.

TechFlowPost reported that Solana developer Jacob Creech said phase one would begin the following week; the available materials do not give a specific activation date. The full rollout covers five phases, targeting a final 90% rent cut. A 90% cut would leave accounts facing 10% of the previous rent floor (100% – 90%), although the materials do not state the first phase’s percentage. This is the first phase of a five-phase rollout, rather than the final rent change.

SSOL$103.58▲2.74% was trading at $103.84, up 3.1% over the prior 24 hours, per CoinGecko.