BlockTip

Tip anyone in any OP_20 token on Bitcoin L1. Instantly or streamed block-by-block. Powered by OP_NET.

Live Demo (Testnet)

Features

• Instant Tips -- Send any OP_20 token to anyone in one transaction
• Block-by-Block Streaming -- Create linear vesting streams that drip tokens every block
• $BLOCK Discount -- Hold $BLOCK tokens for reduced fees (0.25% vs 0.5%)
• Leaderboard -- Track top tippers with achievement badges
• Multi-Token -- Works with any OP_20 token (MOTO, BLOCK, PILL, etc.)

Fees

Tier	Fee	Requirement
Standard	0.5%	—
$BLOCK Holder	0.25%	Hold ≥ 10,000 $BLOCK

The discount is checked on-chain in real-time: the contract reads your $BLOCK balance at every tip. No staking or lock-up required — just hold the tokens in your wallet.

Architecture

• Smart Contract: AssemblyScript (OP_NET btc-runtime), single monolithic contract
• Frontend: React 18 + Vite + Tailwind CSS + TypeScript
• Theme: Electric Blue / Ice

Project Structure

blocktip/
├── contract/          # Smart contract (AssemblyScript)
│   ├── src/blocktip/  # Contract source code
│   ├── build/         # Compiled WASM
│   └── abis/          # Generated ABI
├── frontend/          # React dApp
│   ├── src/           # Source code
│   └── dist/          # Production build
└── scripts/           # Deployment scripts

Quick Start

Build Contract

cd contract && npm install && npm run build

Run Frontend

cd frontend && npm install && npm run dev

Deploy to Testnet

cd scripts && npm install
MNEMONIC="your seed phrase" npx tsx deploy.ts

Contest

Built for the OP_NET Vibe Code Contest -- Week 1: "Bitcoin Activated"

A Block___ product by frenchchoco | Part of the OP_NET ecosystem

#opnetvibecode @opnetbtc