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Silverbacks Crypto Cash

ETHDenver 2025 – 4 Bounties

Revolutionary hybrid physical-digital currency system that bridges traditional cash with blockchain technology. Each NFC-enabled paper bill contains encrypted EVM keypairs and is backed by on-chain NFTs representing stablecoin value. Features scratch-off decryption panels, trustless escrow, and a crypto-style launch with community governance, NFT airdrops, and DAO tokenomics.

Key Features

Hybrid Physical-Digital Currency

NFC-enabled paper bills with encrypted EVM keypairs, backed by on-chain NFTs representing stablecoin face value for seamless crypto redemption.

Scratch-Off Decryption Security

Tamper-evident scratch panels reveal decryption codes for private keys, ensuring single-use security and preventing counterfeiting.

On-Chain NFT Integration

Each bill minted as NFT at retail activation, with smart contracts managing stablecoin escrow and burn-to-redeem mechanics.

Crypto-Style Launch Campaign

Community-driven launch with NFT airdrops, DAO governance tokens, whitelist mechanics, and influencer partnerships driving viral adoption.

Series-Based Collectible Releases

Limited edition series with collector packaging, serialized certificates, and escalating high-roller denominations up to $50,000 bills.

Bankless On-Ramp Solution

Enables unbanked populations to access DeFi through retail purchase, eliminating KYC requirements and complex onboarding processes.

Crypto-Style Launch Strategy

Community-First Approach

  • • "Silverback Society" NFT airdrops for early adopters
  • • Whitelist mechanics with social bounty tasks
  • • DAO governance token ($SBG) with staking rewards
  • • Discord/Telegram community building with 24/7 engagement

Hype-Driven Release Phases

  • • Cryptic puzzle drops and teaser campaigns
  • • Limited Series 1: 5,000 collector packages at $250
  • • Influencer unboxing events and live streams
  • • High-roller bills up to $50,000 denominations

Technical Architecture

frontend

React
Django
Web3.js
MetaMask Integration

blockchain

Solidity
ERC-721 NFTs
ERC-20 Governance
Stablecoin Escrow

hardware

NFC Technology
Encrypted Keypairs
Scratch-Off Panels
Tamper Evidence

community

Discord Bots
NFT Airdrops
DAO Voting
Influencer Network

Project Impact & Recognition

4
Bounties Won
ETHDenver 2025
1st
Physical-Digital
Currency Integration
100%
Secure
NFC + Blockchain

Silverbacks Crypto Cash represents a breakthrough in bridging physical and digital currencies. The project successfully demonstrates how traditional cash can be enhanced with blockchain technology while maintaining the familiar user experience of physical transactions.

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