9STACK · PRE-LAUNCH · CONTRACT ACTIVATES AT LAUNCH

Overview Build Leaderboard Docs

BUILD MODE

THE TOWER

Place the next block and become part of the structure.

LIVE TOWER

Build the next block.

Robinhood Chain

LIVE STACK

BLOCK #09

Drag to rotate9 blocks placedNext · Block #010

01

YOUR BLOCK

Claim the next level.

Each purchase permanently adds one block to the public tower.

Block#010

Price0.01 ETH

Network feeWallet estimate

No wallet connection is requested until contracts are live.

9STACK contractNot live

Chain ID4663

Open Robinhood Chain explorer ↗

Launch config lives in assets/js/config.js. Add the contract address there when deployed.

PRE-LAUNCH

Onchain actions are not live yet.

The product UI is ready. Wallet signing and block purchases activate when the 9STACK contracts and token address are published.

NetworkRobinhood Chain · 4663

An onchain tower experiment on Robinhood Chain.

Build Leaderboard Docs X / Twitter

Robinhood Chain · 4663© 2026 9STACK

Overview Build Leaders Docs