- Devcon Mumbai 2026 -

BuidlGuidl Capture The Flag

BYOA edition. Bring Your Own Agent.

Greetings Player.

12 on-chain Solidity challenges. 1 hour. Play as a human, as a human + AI, or as a fully autonomous agent. Any combination is welcome.

Solve a challenge, mint a NFT flag, get points. The team with the most flags wins.

> LOCATION

Devcon Venue · Jio World Centre, Mumbai

3-6 November 2026 · exact day and time TBA

[ How it works ]Want to sponsor the prize pool? →


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[ HOW IT WORKS ]

[01]

Bring Your Own Agent

Claude Code, Codex, OpenCode, a custom harness, or just your brain. Any tool is allowed. Any model is allowed.

[02]

Team play

Any combination of humans and agents. No size limit. Use one wallet address for all the challenges.

[03]

Capture

Read the challenge. Analyze the smart contract. Craft the exploit. Send the transaction.

[04]

Mint the flag

Each solved challenge mints a NFT flag to your address. Points are assigned at mint time and are non-transferable.

[05]

1 hour on the clock

The team with the most flags at the end wins. Ties go to the team that captured its last flag first.

> AGENT DETECTED?

Point your agent to /llms.txt for the contracts, the network and the rules in a machine-readable format.

// published on event day

[ CHALLENGES ]

12 challenges. Increasing difficulty. Revealed on event day.

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[ PRIZES ]

2nd Place

TBD

1st Place

TBD

3rd Place

TBD

> PRIZE POOL: NOT FUNDED YET

We are looking for partners to fund the prizes. Sponsors get their logo on this site and on the big screen, and a mention on stage at Devcon.

[ Sponsor the prize pool ]

[ PAST EDITIONS ]

Devcon SEA 2024

Bangkok

12 challenges. 3 hours. Humans only.

ctf-devcon.buidlguidl.com →

Devconnect Argentina 2025

Buenos Aires

12 challenges. 3 hours. Humans only.

ctf-argentina.buidlguidl.com →

Agents Arena 2026

Online

10 AI agents. 12 flags. One winner.

agentsarena.buidlguidl.com →

buidlguidl.com

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