Mario Poneder

Mario Poneder

Smart contract security researcher working across Solidity, Rust and Cairo.

@0xTheC0der

78

Spearbit

sr

Public earnings

$26,367.27

116th


Public findings

12


Skillset

MathMEVStakingEVMSolanaOracleLendingCross ChainBasis TradingAMMsSyntheticsLaunchpadPaymentsVCISOStablecoinsWalletsC++RWANFTsBridgesDeFiSolidityRustSide ChainsAMM

Worked with

Solomon Labs
Ondo Finance
Semantic Layer
Space and Time
Crestal Network
Layer N
zigtur
J4X
n4nika
tnch
phaze
HickupHH3

Biography

My work focuses on audits, vulnerability research, and protocol security, with an emphasis on depth, clarity, and real-world risk. I like digging into complex systems, thinking like an attacker, and communicating findings in a way that is technically precise and practically useful.

Beyond language-specific expertise, I bring a broader security mindset shaped by systems thinking, threat modeling, architecture review, and a strong understanding of protocol behavior. I care about substance over noise and about helping make ambitious systems more robust.

Public Content

Latest public content can be found on my X profile as well as on my GitHub profile.

Audit Experience

A continuously updated list of engagements as well as competitions and judging can be found here.

I have audit experience with the following languages/platforms:

  • Solidity (EVM)
  • Rust (Solana, Substrate, NEAR)
  • Cairo (Starknet)

Top competitions

View all
Contest
Position
Date
Payout
lockbox-solana

lockbox-solana

2

/ 16

January 2024$8,590
core-and-erc1155a

core-and-erc1155a

15

/ 50

November 2023$852
mighty-contracts

mighty-contracts

78

/ 129

April 2025$0
morpho-blue

morpho-blue

26

/ 51

November 2023$0

Private reviews

View all
Engagement
Project title
Timeframe
Researchers
Solomon Labs

Solomon Labs

Solomon Labs

Jan 2026 - Jan 2026

zigtur
Mustafa Hasan
Mario Poneder
Ondo Finance

Ondo Finance

Ondo: GM Solana

Nov 2025 - Dec 2025

n4nika
J4X
Mario Poneder
Semantic Layer

Semantic Layer

Semantic Layer

May 2025 - May 2025

tnch
noah.eth
Mario Poneder
Crestal Network

Crestal Network

nation-contracts

Apr 2025 - Apr 2025

Cryptara
Mario Poneder
Space and Time

Space and Time

Space and Time

Feb 2025 - Apr 2025

Mario Poneder
Liam Eastwood
CPerezz

Security portfolio

Title
Description
Code4rena portfolioMy Code4rena profile page
Public reportsMy public findings and reports from decentralized audits, select bug bounty programs as well as engagements