A stablecoin is a type of cryptocurrency designed to maintain a stable value relative to a reference asset, typically a fiat currency like the US Dollar.
Types of Stablecoins
Fiat-Backed
Backed 1:1 by fiat currency reserves
Examples: USDT, USDC, TUSD
Most common for paymentsCrypto-Backed
Over-collateralized with other cryptocurrencies
Examples: DAI, sUSD
Decentralized but more volatileAlgorithmic
Supply adjusted by smart contracts
Examples: FRAX (hybrid)
Higher risk, less provenWhy Stablecoins for Payments?
| Benefit | Description |
|---------|-------------|
| Price stability | No volatility during checkout |
| Fast settlement | Minutes, not days |
| Low fees | Cheaper than credit cards |
| Global | No borders or banking hours |
Popular Stablecoins by Volume
USDT (Tether): Largest by market cap
USDC (Circle): US-regulated
DAI: DecentralizedUSDT Networks
| Network | Speed | Fees | Adoption |
|---------|-------|------|----------|
| TRON (TRC-20) | Fast | Low | Highest |
| Ethereum (ERC-20) | Slow | High | High |
| BNB Chain (BEP-20) | Fast | Very Low | Medium |
For Merchants
Stablecoins offer:
Predictable value: 1 USDT β 1 USD
Easy accounting: No conversion math
Customer familiarity: Dollar-denominated pricingRelated Terms
USDT (TRC-20)
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