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RWA-Backed — DeFi Stablecoin Mechanisms — Algorithmic, Overcollateralized, and RWA-Backed
Stablecoins are the foundational primitive of DeFi — every lending protocol, DEX, and yield platform depends on them. Understanding the mechanics of different stablecoin types is essential for any DeFi protocol design. MECHANICS: User deposits ETH (or other crypto) as collateral. User borrows DAI/LUSD up to a maximum L...
LUNA/UST MECHANICS (for historical education): UST maintained peg via arbitrage with LUNA: 1 UST always redeemable for $1 of LUNA (by burning UST, minting LUNA). 1 LUNA could always be burned for $1 of UST. WHY IT FAILED: When UST depeg began, redemption for LUNA caused LUNA supply to explode. More LUNA supply → lower...
MECHANICS: Stablecoin backed by tokenized real-world assets (T-bills, money market funds). Blackrock's BUIDL → backs USDC via Circle → available in DeFi. ADVANTAGES over pure crypto collateral: Non-correlated with crypto market (T-bills don't depeg in crypto crashes). Generates yield (T-bill yield passes through to hol...
Common integrations: The Graph, Alchemy/Infura, OpenZeppelin Defender, and popular wallet providers.
Clarify requirements, compliance needs, architecture risks, and launch goals.
Implement core contracts, integrations, product flows, tests, and deployment automation.
Run QA, prepare audit handoff, deploy infrastructure, and support production rollout.
For most DeFi protocols: USDC is the practical default — most liquidity, most integrations, regulatory clarity from Circle, proven reliability. For protocols wanting to minimize centralization risk: diversify across USDC and DAI (MakerDAO's overcollateralized model). For yield-bearing stablecoin features: integrate USDY (Ondo) or similar RWA-backed stable. For algorithmic stablecoins: exercise extreme caution — the post-LUNA environment has significantly reduced trust in algorithmic stability mechanisms, and integrating one that experiences a depeg could be catastrophic for your protocol's users.
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