Blockdev

Blockdev

Smart contract and ZK security

@0xbok

58

Spearbit

sr

Public earnings

$187.24

584th


Public findings

5


Worked with

ODX
Fastlane
Espresso Systems
Matter Labs
Megapot
Hyperware
Leo Alt
Lucas Clemente Vella
Gerard Persoon
Christoph Michel
Alex Beregszaszi
Zach Obront

Biography

Smart contract security

  • Security Researcher at Spearbit
  • Resident at yAudit

ZK security

  • Privacy Scaling Explorations at Ethereum Foundation

Some writings:


Some development work:

Top competitions

View all
Contest
Position
Date
Payout
farcasterattestation-monorepo

farcasterattestation-monorepo

29

/ 276

January 2025$187

Private reviews

View all
Engagement
Project title
Timeframe
Researchers
Porter Finance

Porter Finance

Porter v1-core

May 2022 - May 2022

+2
Satyam Agrawal
defsec
Brock Elmore
Connext

Connext

Connext NXTP

Jun 2022 - Jul 2022

+2
Blockdev
Jonah Wu
Liam Eastwood
LI.FI

LI.FI

LI.FI Cross-Chain Aggregator Audit Summary

Sep 2022 - Sep 2022

+1
Gerard Persoon
Jonah Wu
defsec
Connext

Connext

nxtp

Oct 2022 - Nov 2022

+2
Anurag Jain
Gerard Persoon
Saw-mon and Natalie
Polygon

Polygon

Polygon zkEVM

Jan 2023 - Jan 2023

+5
Christian Reitwiessner
Andrei Maiboroda
Alex Beregszaszi

Security portfolio

Title
Description
Circom bigintBigint library for Circom. A EF x Veridise collaboration.
PLUME: Verifiably Deterministic Signatures on ECDSANullifier friendly signature scheme on ECDSA. nullifier friendly signature scheme on ECDSA