David Zapata in black and white, looking straight at the camera with a finger on his lips.
DZ[ Talk ]

Blockchain developer · ZK · privacy.
I build systems that prove without revealing.

DavidZapata

Build.

Raffero landing page, in black and white.Glemo landing page, in black and white.Strickle landing page, in black and white.Sincerin landing page, in black and white.

Zero-knowledge raffles on Avalanche. Pick an alias, join a raffle, and your identity stays yours.

[ Visit raffero.com ]

Ship.

  1. Full Stack DeveloperFreelance2019 – 2022
  2. Blockchain DeveloperFreelance2022 – present
  3. Developer ContributorUltravioletaDAO2023 – 2025
  4. Technical ContributorAvalanche Team12024 – present
  5. CTOBuckspay2025 – 2026
  6. Profesor de cátedraPontificia Universidad Javeriana Cali2025 – present

Prove.

Won
  • ETHGlobal HackMoneyHackathon winner · 2026
  • Chainlink ConvergencePrivacy track winner · 2026
  • Scroll Vibe Code BootcampHackathon winner · 2025
  • ETHArgentinaPrivacy track winner · 2024
  • Avalanche BogotáHackathon winner · 2024
  • Avalanche MedellínHackathon winner · 2024
  • ETHColombiaHackathon winner · 2023
Shared
  • Bootcamp AvalancheTeam1 Latam · YouTube · 2025[ Open ]
  • Desarrollo de aplicaciones blockchain en AvalancheGitBook guide · 2024 – 2026[ Open ]
  • awesome-zkCurated list · GitHub · 2026[ Open ]
  • avalanche-noir-kit-foundryNoir + Foundry starter kit · GitHub · 2026[ Open ]
Certified
  • Invisible Garden FellowshipInvisible Garden · 2025
  • Noir Programming and ZK CircuitsCyfrin · 2025
  • Onchain Application Development on EthereumETHBogotá · 2024
  • Advanced Web3 Applications ProgramColledge · 2023
  • Bootcamp Blockchain Development (+70 h)Blockchain Bites · 2023
  • Ethereum Developer PackETH Kipu · 2023
  • Blockchain and IoT DevelopmentComfenalco · 2022
  • Técnica en Análisis y Desarrollo de SoftwareCENSA · 2017 – 2018

Live.

Talk.

iam@davidzo.com

© 2026 David Zapata · davidzo.com