Hyperithm

All Hyperithm @AccountableData vaults (aHYPER, aHYPERBTC, and the looping vaults) will continue to process withdrawals on their existing schedule. Since launch, withdrawals have been processed on a fixed weekly schedule, which is defined in code in the smart contract. You can check each vault’s redemption due date on the vault page. Deposits and withdrawals work the same way as before.

Find Hyperithm’s vaults in @Astar_Fi Earn: search Hyperithm at astarfi.com.

mHYPER rewards earned from CAP deposits are now being distributed via Merkl to everyone who held mHYPER on Ethereum or Plasma between Sep 3, 2025 and Jan 29, 2026 (UTC). Connect your wallet on Merkl to check and claim your rewards. app.merkl.xyz/users

Accountable vault update, effective now: aHyperBTC yield: 7.3% → 5.7% APR

Accountable fee structure update, effective now: We're removing the 20% performance fee on aHyper and replacing it with a flat 0.5% management fee. Headline yield: 14% → 11.9% APR Net yield to depositors: 11.2% → 11.4% APR (+0.2%p) Simpler fees, more yield in your pocket.

Distribution notice Following the temporary spike in borrow rates on the aHYPER/USDC market, we have distributed a total of 8,586 USDC across 58 addresses. The covered period runs from Aug 29, 14:29 to Aug 30, 02:54 UTC (12.4 hours). The actual average borrow rate over this period was 25.7%, against a normal rate of 9.5%. We refunded the interest attributable to that 16.2 percentage-point difference. All amounts were rounded up to the nearest 1 USDC. Payments have already been sent. · On-chain transfers: monadscan.com/address/0xd83E… · Per-address breakdown and methodology: docs.google.com/spreadsheets… For any questions, please use this form: docs.google.com/forms/d/e/1F… No loss of deposits or liquidations occurred.

Note on the recent yield spike in the Monad aHyper/USDC market TLDR: aHyper itself is unaffected. The market's interest rates are back to normal. The extra interest paid will be refunded for the sake of a healthy ecosystem, and a follow up announcement will go out within a week. Over the past few hours, someone repeatedly submitted transactions that use Morpho's ForceDeallocate function to move liquidity out of the aHyper/USDC market into idle. This mechanism exists to help users withdraw smoothly, but it was used maliciously to keep the interest rate on the aHyper/USDC market artificially high. monadscan.com/txs?a=0x210de9… The rate has now been brought back into its normal range through a direct supply. We are also putting vault level safeguards in place to prevent this kind of malicious activity, and they will take effect in three days due to the timelock. There has been no loss of principal and no other side effects. aHyper itself was not affected in any way. The only impact was the elevated interest rate over the past few hours. As a result, borrowers paid approximately 10,000 USDC more in interest than they otherwise would have. To support a healthy ecosystem, this extra interest will be refunded. A separate announcement with details will follow.

Accountable vault update, effective now: aHyper yield: 17% → 14% APR aHyper AUM cap: $100M → $75M The cap decrease does not affect existing deposits. New deposits are paused until AUM falls below $75M.

Accountable yield update, effective now: aHyper vault: 18% → 17% APR