On May 2024, TCH was exploited in a signature attack, resulting in approximately $18K in losses. That makes the TCH exploit the 340th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the TCH Signature Attack Played Out
Exploit Class Applied to TCH
The TCH incident on May 16, 2024 is classified as a Signature Attack. Replayed, malleable, or forged signatures bypass access controls. In the full archive, TCH is 1 of 5 documented signature attack incidents.
TCH in Context
At $18K, the TCH exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — AzukiDAO (2023) at $69K.
Prior Signature Attack Before TCH
The nearest signature attack incident before TCH was MintoFinance, 298 days earlier on July 23, 2023 ($9K lost). The same exploit class surfaced again within the signature attack attack surface.
TCH Vulnerability Signature
The primary source categorises the TCH exploit specifically as “Signature Malleability Vulnerability”. This narrower label is entity-specific: it reflects how the TCH contract failed, rather than the broad signature attack pattern alone.
Impact & Recovery for TCH
TCH Loss Figure
The TCH exploit caused $18,000 in losses — a minor (<$1M) incident and the 94th largest of 188 documented in 2024.
Where TCH Sits Among Signature Attack Attacks
Ranked by loss size, TCH is the 3rd largest of 5 signature attack incidents documented. That puts the TCH loss below the class average of $36.5K.
Timeline Since the TCH Incident
The TCH exploit occurred 1.9 years ago (698 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for TCH
Public post-mortem / on-chain analysis for the TCH incident: view source.
FAQ
How much did TCH lose?
The TCH exploit in May 2024 resulted in $18,000 in losses — the 94th largest of 188 DeFi incidents that year.
When did the TCH hack happen?
The TCH exploit was recorded on May 16, 2024 — 698 days ago.
What type of exploit hit TCH?
The TCH incident is classified as a Signature Attack. Replayed, malleable, or forged signatures bypass access controls.
How common is the Signature Attack pattern seen at TCH?
Our archive contains 5 documented signature attack incidents. The TCH incident is one of them.
How does TCH compare to the largest Signature Attack attack?
The largest signature attack incident in our archive is AzukiDAO (2023) at $69K. The TCH loss is $18K.
How are data sharing permissions managed in the BBDSPP scheme?
Permissions are managed through a combination of weighted attributes and threshold secret sharing, allowing for granular access control.
What experimental result is highlighted as evidence of the model's effectiveness?
The model demonstrated superior accuracy and security, with a packet loss rate below 7%.