Sirio Finance
Last changed 2026-10-30 · Fact-check review — Fact-check review (verdict: revise): the reviewer checked the page's claims against its sources; the trust score did not change. Version history →
Why this score
| Every page starts at | 65 |
| Concerns that are not fraud | -6.4 |
| Incidents it suffered (e.g. hacks) | -3.2 |
| Problems around it, caused by others | -2.4 |
| Sum | 53 |
Score: 53/100 (kept between 0 and 100)
How scoring works →Page reliability: Fact-checked 2026-10-30 · 4 of 7 claims confirmed · 3 need better sources
anchored·32iKGu…9GLpSummary
Sirio Finance is a DeFAI lending and borrowing protocol built on the Hedera blockchain that launched on January 27, 2025 and suffered a flashloan exploit on February 1, 2025, resulting in an estimated $2–3 million in stolen funds. The exploit occurred within five days of mainnet launch, with post-incident analysis indicating the vulnerability was introduced when the team followed an audit directive from QuillAudits to remove a reentrancy guard from the protocol's smart contracts. The protocol's TVL collapsed to near zero following the hack, and no confirmed recovery of stolen funds or full user compensation has been publicly documented.
Connected Entities
7 entities · 60 linked investigations- Filecoin→mentioned with→Binance(70%)
- Sirio Finance→mentioned with→Binance(70%)
- Sirio Finance→mentioned with→Filecoin(60%)
- Sirio Finance→mentioned with→Hedera(80%)
- ChangeNOW→mentioned with→Binance(65%)
- Sirio Finance→mentioned with→ChangeNOW(60%)
- Sirio Finance→mentioned with→SIR (Synthetics Implemented Right)(70%)
- Sirio Finance→mentioned with→Bonzo Finance(80%)
- Bonzo Finance→mentioned with→Hedera(80%)
Connected Through
6 shared actors · 467 investigationsDistinct actors this investigation shares with others — holders, traders, and named parties. Shared infrastructure (exchanges, pools) is excluded.
- □Binanceorganization
- □ChangeNOWorganization
- □Hederaorganization
- ♦Filecointoken
Timeline(6 events)
27 January 2025
Sirio Finance launches its mainnet DeFAI lending and borrowing protocol on the Hedera blockchain, becoming the first lending protocol on the network.
29 January 2025
Sirio Finance reports reaching a $1.5 million TVL milestone, citing strong early user adoption.
February 2025
Sirio Finance is exploited via three flashloan attacks executed through Bonzo Finance. The HSUITE pool is specifically compromised. Estimated $2–3 million is stolen. Smart contracts are immediately frozen.
3 February 2025
Sirio Finance team states it is collaborating with the Hedera Foundation, using Elliptic and TRM Labs to track stolen funds, and has attempted to contact the attacker via multiple addresses with a whitehat recovery offer.
4 February 2025
Sirio Finance team provides community update on three key areas: Stolen Funds Tracking, Withdrawal of Left Funds, and the Recovery Program. Reports submission of complaint to CSIRT and contact established with Binance via Seal911 ticket.
4 February 2025
Post-incident analysis indicates the critical vulnerability was introduced when the protocol followed a QuillAudits audit directive to remove a reentrancy guard. Sirio Finance team publicly disassociates from QuillAudits.
Decision Log
- slot 463283729 · hash 6tt6W8uiUxGGWpx9zNE6iW6BoEah9oN4E72yfHpHzVpT
- slot 463283724 · hash 6HP23fcy3byFkZGRuNRg8jp8YonGmpx2jXszWky2PZSn
- slot 455364845 · hash H4xj1Dz19Kt9iE6JF1vNYTDBUveGt4y9scB4SDiWnFfQ
- slot 422629078 · hash BU5T2uaxrNJooRH6rVDDUhbL3bBDNJfvYviarxTocfmT
This investigation is cryptographically anchored to the Solana blockchain (4 decisions). 7 of 11 cited source URLs have an Internet Archive snapshot.
model: claude-sonnet-4-6
generated: 5/4/2026, 2:54:25 AM
last updated: 10/30/2026, 12:23:15 PM
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