On May 2023, MCC suffered a other — the first of 188 documented other incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the MCC Other Played Out
Exploit Class Applied to MCC
The MCC incident on May 9, 2023 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, MCC is 1 of 188 documented other incidents.
MCC in Context
The MCC incident joins a class whose largest loss to date is MIMSpell (2024) at $65M.
Prior Other Before MCC
The nearest other incident before MCC was DEI, 4 days earlier on May 5, 2023 ($5.4M lost). The same exploit class surfaced again within the other attack surface.
MCC Vulnerability Signature
The primary source categorises the MCC exploit specifically as “Reflection token”. This narrower label is entity-specific: it reflects how the MCC contract failed, rather than the broad other pattern alone.
Impact & Recovery for MCC
MCC Loss Figure
The loss figure for MCC is not publicly disclosed. The primary source reports the exploit in non-USD terms, so no USD estimate is published here. For reference, the average loss across 188 other incidents in our archive is $2.03M.
Timeline Since the MCC Incident
The MCC exploit occurred 2.9 years ago (1,071 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for MCC
Public post-mortem / on-chain analysis for the MCC incident: view source.
FAQ
How much did MCC lose?
The MCC loss figure is not publicly disclosed. The primary source reports the exploit in non-USD token terms, so no USD estimate is published here.
When did the MCC hack happen?
The MCC exploit was recorded on May 9, 2023 — 1,071 days ago.
What type of exploit hit MCC?
The MCC incident is classified as a Other. A specific exploit class outside the most common buckets.
How common is the Other pattern seen at MCC?
Our archive contains 188 documented other incidents. The MCC incident is one of them.
How does MCC compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The MCC loss was not publicly disclosed.
What does the study reveal about CSR disclosures in China?
There has been an increase in CSR disclosures, influenced by gender diversity and possibly foreign investment.
Which macroeconomic indicator is found to have a strong positive association with long-term Bitcoin volatility?
The Baltic dry index.