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0xffchain

Blockchain Researcher

Bits, Bytes, shifting and masking in Assembly (Yul)

Jun 23, 20248 min read

Performing permutations on bytes strings in assembly · Bit A bit is the smallest unit of data in a computer and can be represented in only two patterns 1...

Bits, Bytes, shifting and masking in Assembly (Yul)

Detailed breakdown of the Wise lending hack

Apr 29, 20247 min read

Preamble The three cardinal rules and phases to performing an inflation attack on a protocol are: A way to get one key value to empty or almost...

Detailed breakdown of the Wise lending hack

How Abracadabra was hacked for $6.5m worth MIM(Magic Internet Money)

Apr 2, 20246 min read

EIP 4626 vault like hack. · "A rounding donation attack requires three things: A way to get one key value to empty / almost empty A way to massively...

How Abracadabra was hacked for $6.5m worth MIM(Magic Internet Money)

Morpho Blue report in review

Mar 1, 20247 min read

One more round please for all my smart friends, bills on me. Said EVM in a bar. · So I per-took in this contest and had zero bugs confirmed, so now below...

Morpho Blue report in review

EIP4626 Inflation attack briefly explained.

Feb 28, 20241 min read

Inflation attack explained · Repost from my medium article https://medium.com/@0x.offchain/eip4626-inflation-attack-briefly-explained-250f8a8e424e

EIP4626 Inflation attack briefly explained.