On August 2020, Opyn Protocol 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 Opyn Protocol Other Played Out
Exploit Class Applied to Opyn Protocol
The Opyn Protocol incident on August 4, 2020 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, Opyn Protocol is 1 of 188 documented other incidents.
Opyn Protocol in Context
The Opyn Protocol incident joins a class whose largest loss to date is MIMSpell (2024) at $65M.
Prior Other Before Opyn Protocol
The nearest other incident before Opyn Protocol was Balancer Protocol, 37 days earlier on June 28, 2020. The same exploit class surfaced again within the other attack surface.
Opyn Protocol Vulnerability Signature
The primary source categorises the Opyn Protocol exploit specifically as “msgValue in loop”. This narrower label is entity-specific: it reflects how the Opyn Protocol contract failed, rather than the broad other pattern alone.
Impact & Recovery for Opyn Protocol
Opyn Protocol Loss Figure
The loss figure for Opyn Protocol 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 Opyn Protocol Incident
The Opyn Protocol exploit occurred 5.7 years ago (2,079 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Opyn Protocol
Public post-mortem / on-chain analysis for the Opyn Protocol incident: view source.
FAQ
How much did Opyn Protocol lose?
The Opyn Protocol 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 Opyn Protocol hack happen?
The Opyn Protocol exploit was recorded on August 4, 2020 — 2,079 days ago.
What type of exploit hit Opyn Protocol?
The Opyn Protocol incident is classified as a Other. A specific exploit class outside the most common buckets.
How common is the Other pattern seen at Opyn Protocol?
Our archive contains 188 documented other incidents. The Opyn Protocol incident is one of them.
How does Opyn Protocol compare to the largest Other attack?
The largest other incident in our archive is MIMSpell (2024) at $65M. The Opyn Protocol loss was not publicly disclosed.
Describe the methodology used for the research presented in the document.
The methodology includes the design, development, and testing of a software prototype that integrates AI and blockchain for security in cloud manufacturing.
What were the key factors considered by the trading recommendation algorithm?
The algorithm considered impact of commissions, identification of strong trends, and utilization of take-profit and stop-loss strategies.