BlockThreat - Week 52, 2021
Polygon | Vesper | SashimiSwap | Tinyman | Bitswift | Solana
The year 2021 almost ended with a disastrous $24B hack which was luckily averted by the responsible disclosure programs hosted by Immunefi and Polygon. The trend of the same DeFi projects getting hacked again and again continues with Vesper Finance getting hacked twice in the past two months. The year end edition also features a number of excellent research articles to prepare you for what’s to come in 2022 like the first $1B+ DeFi hack?
Happy new year and be sure to protect your crypto by exercising safe sex!
Crypto Roundup + The biggest hacks from 2021 by Breadcrumbs.
On December 27, 2021 DexTools front-end code injection vulnerability was used to trick users into buying fake NFT tokens.
On December 30, 2021 Vesper Finance lost $1M as a result of a price oracle manipulation vulnerability.
On December 30, 2021 SashimiSwap logic error vulnerability in its swap function was exploited which resulted in the loss of $335K.
On January 1, 2022 Tinyman, an Algorand project, lost $3.5M after a logic error in its burn function got exploited.
Bitswift fixed an unlimited minting vulnerability after it was responsibly disclosed through Immunefi.
Solana fixed a critical integer overflow bug in its rBPF implementation which could trigger network shutdown.
RugDoc x Moralis Workshop: How to Launch a DeFi Project That Doesn't Suck! has plenty of tips on building secure DeFi deploys.
Stealing all your secrets using IPFS Mounts by Joran Honig.