Antonio Viggiano
Senior Security Engineer at Monad Foundation
São Paulo, Brazil
Summary
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Rockstar🎓
Top SchoolAntonio Viggiano is a Senior Security Engineer based in São Paulo with a decade of experience securing blockchain and Web3 systems across startups and audit labs. He blends hands-on vulnerability research and audit work (Oak Security, Spearbit) with builder instincts as co-founder of Recon and founder of Fuzzy, focusing on invariant testing and fuzzing for protocol safety. Currently exploring AI-assisted bug hunting at Monad Foundation while helping scale SizeCredit and contributing to Recon-Fuzz and Rheo projects, he moves fluidly between research, tool-building, and teaching. His background spans full-stack product work, CTO responsibilities, and multiple founders’ ventures, giving him rare cross-functional fluency from product to low-level security. Notably, he teaches invariant testing bootcamps and publishes deep dives on account abstraction, signaling a commitment to raising the next wave of secure Web3 engineers.
10 years of coding experience
11 years of employment as a software developer
Master of Engineering (M.Eng.), Information Technology and Digital Society, Master of Engineering (M.Eng.), Information Technology and Digital Society at Centrale MéditerranéeBachelor of Engineering - BE, Mechatronics, Robotics, and Automation Engineering, Bachelor of Engineering - BE, Mechatronics, Robotics, and Automation Engineering at USP - Universidade de São PauloLC2 Fellow, Entrepreneurship/Entrepreneurial Studies, LC2 Fellow, Entrepreneurship/Entrepreneurial Studies at Latitud
English, French, Portuguese, Spanish
Stackoverflow
1,543reputation
570kreached
13answers
4questions
github
top-5%
Github Skills (200)
testing10
svg10
3d10
tempo10
gltf10
browser10
json10
in-memory10
erc2010
augmented-reality10
time-series10
geth10
in-memory-database10
message-queue10
smart-contracts10
Programming languages (25)
Github contributions (5)
r2u-io/documentation
Oct 2019 - Sep 2021
R2U JavaScript Augmented Reality SDK docs
Contributions:62 reviews, 57 commits, 24 PRs in 1 year 11 months
augmented-realityjavascriptsdk
aviggiano/redis-roaring
May 2017 - Mar 2022
Roaring Bitmaps for Redis
Contributions:4 releases, 10 reviews, 155 commits in 4 years 10 months
bitmapsredisredis-moduleroaring-bitmaps
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