Soulbound Token (SBT)
Soulbound Token (SBT): Non-Transferable Achievements
Soulbound tokens are NFTs that cannot be transferred or sold once received. They represent achievements, credentials, or identity elements that should remain permanently attached to specific individuals.
A Soulbound Token (SBT) is a non-fungible token that is permanently bound to a specific wallet address and cannot be transferred or sold. They represent personal achievements, credentials, or identity elements that shouldn’t be tradeable.
How Soulbound Tokens Work
Transfer restrictions are built into the smart contract code, preventing SBTs from being moved between wallets after initial minting.
Identity binding creates permanent associations between individuals and their achievements, credentials, or reputation markers.
Composable reputation allows multiple SBTs to build comprehensive identity profiles across different domains and time periods.
Real-World Examples
- University diplomas as SBTs would prevent credential fraud and enable instant verification
- Professional certifications could be issued as SBTs for permanent skill verification
- Event attendance tokens prove participation without allowing secondary market trading
Why Beginners Should Care
Authentic credentials that can’t be bought or sold, ensuring achievements represent genuine accomplishment rather than financial resources.
Reputation systems built on SBTs could enable more meaningful social and professional networking based on verified accomplishments.
Privacy considerations as permanent credential binding could enable unwanted tracking and discrimination based on past activities.
Related Terms: NFT, Decentralized Identity, Reputation System, Credentials