shield Business Logic Flaw · $56K loss

SBT Hack: How $56K Was Lost in a Business Logic Flaw (2024)

On July 2024, SBT was exploited in a business logic flaw, resulting in approximately $56K in losses. That makes the SBT exploit the 262nd largest DeFi incident out of 690 documented in our archive.

Attack Mechanics: How the SBT Business Logic Flaw Played Out

Exploit Class Applied to SBT

The SBT incident on July 11, 2024 is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share. In the full archive, SBT is 1 of 144 documented business logic flaw incidents.

SBT in Context

At $56K, the SBT exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — – EulerFinance (2023) at $200M.

Prior Business Logic Flaw Before SBT

The nearest business logic flaw incident before SBT was Will, 13 days earlier on June 28, 2024 ($52K lost). The same exploit class surfaced again within the business logic flaw attack surface.

Impact & Recovery for SBT

SBT Loss Figure

The SBT exploit caused $56,000 in losses — a minor (<$1M) incident and the 75th largest of 188 documented in 2024.

Where SBT Sits Among Business Logic Flaw Attacks

Ranked by loss size, SBT is the 48th largest of 144 business logic flaw incidents documented. That puts the SBT loss below the class average of $6.08M.

Timeline Since the SBT Incident

The SBT exploit occurred 1.8 years ago (642 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

FAQ

How much did SBT lose?

The SBT exploit in July 2024 resulted in $56,000 in losses — the 75th largest of 188 DeFi incidents that year.

When did the SBT hack happen?

The SBT exploit was recorded on July 11, 2024 — 642 days ago.

What type of exploit hit SBT?

The SBT incident is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share.

How common is the Business Logic Flaw pattern seen at SBT?

Our archive contains 144 documented business logic flaw incidents. The SBT incident is one of them.

How does SBT compare to the largest Business Logic Flaw attack?

The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The SBT loss is $56K.

What implication does the study have for portfolio management?

It provides insights for investors and decision-makers, emphasizing the importance of incorporating monetary policy in assessing cryptocurrency volatility.

What makes the proposed defense method low-cost?

It does not involve retraining or altering the classifier's parameters.