Blockdev

Blockdev

Smart contract and ZK security

@0xbok

58

Spearbit

sr

Public earnings

$187.24

876th


Public findings

5


Skillset

Self-reported

Admin verified

Account Abstraction & Wallets

Intents / SolversMultisig (Safe)Social Recovery

Blockchain Platforms (L1 + VM)

EthereumEVMSolana

Consensus & Node Infra

Consensus (PoS / BFT)

Cross-Chain & Interoperability

Cross-Chain Bridges

Worked with

Sprinter Tech
ODX
Espresso Systems
Matter Labs
Megapot
Hyperware
Lucas Clemente Vella
Zach Obront
Leo Alt
Christoph Michel
Gerard Persoon
Chinmay Farkya

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

26

/ 36

January 2025$187

Private reviews

View all
Engagement
Project title
Timeframe
Researchers
Sprinter Tech

Sprinter Tech

Cross-Chain Security Audit of Sprinter Stash

May 2025 - May 2025

ladboy233
Blockdev
ODX

ODX

odx-contracts

Apr 2025 - Apr 2025

r0bert
Blockdev
astaria

astaria

Astaria: astaria-core

Jul 2023 - Jul 2023

Blockdev
jonah1005
Saw-mon and Natalie
LI.FI

LI.FI

LI.FI: Retainer 1

Mar 2023 - Mar 2023

+1
defsec
jonah1005
Gerard Persoon
Agglayer by Polygon

Agglayer by Polygon

Polygon zkEVM: Protocol (Engagement 2)

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