0x52

0x52

You build it, I break it. Helping to secure $250+ million across 100+ protocols.

@IAm0x52
Spearbit

lsr

Get a quote

Public earnings

$0

Public findings

0

Skillset

Self-reported

Admin verified

Consensus & Node Infra

Consensus (PoS / BFT)

Cryptography & ZK

ECDSA / Signatures

Governance

Governance & DAOs

MEV

MEV (sandwich, front-running, Flashbots)

Worked with

Coinbase
r0bert
Optimum
Jay
high byte
sabnock
Maxime Viard
OverviewPrivate reviews

Private reviews

View all
Engagement
Project title
Timeframe
Researchers
Coinbase

Coinbase

Coinbase: fixed-rate-loan-protection-policy

Sep 2026 - Sep 2026

Jay
r0bert
0x52

Security portfolio

Title
Description
Sherlock - Highest Paid Senior Watson23+ 1st place finishes
Set Protocol Critical DisclosurePotential set token liquidation
LayerZero Critical DisclosureCritical issue with LayerZero cross chain ERC20. LayerZero RelayerV2 was updated to protect tens of millions of dollars in vulnerable projects. Closed as out-of-scope, with the statement "We believe it’s a protocol’s responsibility to enforce the max payload size".