all InfoSec news
From Programming Bugs to Multimillion-Dollar Scams: An Analysis of Trapdoor Tokens on Decentralized Exchanges. (arXiv:2309.04700v2 [cs.CR] UPDATED)
cs.CR updates on arXiv.org arxiv.org
We investigate in this work a recently emerging type of scam token called
Trapdoor, which has caused the investors hundreds of millions of dollars in the
period of 2020-2023. In a nutshell, by embedding logical bugs and/or owner-only
features to the smart contract codes, a Trapdoor token allows users to buy but
prevent them from selling. We develop the first systematic classification of
Trapdoor tokens and a comprehensive list of their programming techniques,
accompanied by a detailed analysis on representative …
analysis bugs called contract decentralized emerging features investors period programming scam scams smart smart contract token tokens work