Radix
Last changed 2026-10-10 · Score recalculated — Rescored under Scoring v2, the published formula (avoid.net/scoring): 32 → 54. Problems weighed by who is responsible: incidents the subject suffered −10, concerns that are not fraud −6, problems around the subject, caused by others −4.4; legitimacy credit long-running +10; a recent unresolved incident −11.5. Version history →
Why this score
| Every page starts at | 65 |
| Concerns that are not fraud | -6 |
| Incidents it suffered (e.g. hacks) | -10 |
| Problems around it, caused by others | -4.4 |
| Long-running | +10 |
| Recent unresolved incident | -11.5 |
| Sum | 43 |
Score: 54/100 (kept between 0 and 100)
How scoring works →Summary
Radix (XRD) is a layer-1 blockchain protocol designed for decentralized finance, founded by Dan Hughes in 2013 and developed by RDX Works. On August 31, 2026, an attacker exploited a vault-authorization vulnerability in the Radix Engine — introduced during a June 2023 code refactor — draining approximately $1.3 million in bridged assets across 26 transactions; validators subsequently halted network consensus for 10 days until a patch was deployed on September 11, 2026. The incident represents a significant security and reliability failure for a live layer-1 network, compounded by the fact that an independent security audit in 2024 did not detect the flaw.
Connected Entities
1 entityNo connected entities recorded yet — this investigation is not currently linked to any other page in the index.
Timeline(11 events)
1 May 2013
Dan Hughes begins developing eMunie (later renamed Radix) on Bitcointalk
Messari / Radix DLT1 January 2017
Piers Ridyard joins as CEO; project renamed Radix; additional funding raised from Taavet Hinrikus and LocalGlobe
Messari / Radix DLT28 July 2021
Olympia mainnet launches, introducing the Cerberus consensus protocol and XRD token
Radix DLT Medium1 June 2023
RDX Works introduces vault-authorization defect during a Radix Engine code refactoring; bug is not caught by internal review
Radix DLT Public Incident Report28 September 2023
Babylon mainnet upgrade completed, enabling full smart contract execution and bringing the vulnerable Radix Engine code into production
Radix Ecosystem Blog1 August 2024
Zellic conducts an independent security audit of the Radix Engine kernel; the vault-authorization vulnerability is not detected
CryptoSlate / Radix DLT Public Incident Report27 July 2025
Founder Dan Hughes dies unexpectedly from natural causes at his home; XRD token drops approximately 40% following the announcement
Radix DLT Blog31 August 2026
Attacker executes 26 transactions between 16:02 and 16:57 UTC, draining approximately $1.3 million in bridged assets (USDC, USDT, ETH, wBTC, SOL, BNB) via the Radix Engine vault-authorization vulnerability
Radix DLT Public Incident Report31 August 2026
Community validators detect unauthorized withdrawals at 17:37 UTC; Hyperlane bridge disabled by 18:09 UTC; validators coordinate to break network consensus by 23:30 UTC, halting all transaction finalization
Radix DLT Public Incident Report11 September 2026
Radix network consensus restored after patch is deployed and independently verified by Zellic, Hacken, and SEAL 911; network had been halted for over 10 days
CryptoSlate / KuCoin / CoinPaprikaDecision Log
- slot 455367661 · hash BLkaQYf2MmQ9NxPJVRqJEyoj5KaHXZJ11xeF5oLBEmVw
- slot 449052832 · hash gML3yVgr2fsLPR9E3prvLg7drvwadZyBrhmeVphaF5g
This investigation is cryptographically anchored to the Solana blockchain (2 decisions). 8 of 11 cited source URLs have an Internet Archive snapshot.
model: claude-sonnet-4-6
generated: 9/21/2026, 12:16:14 PM
last updated: 10/10/2026, 6:47:43 PM
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