Yield & Liquidity Architecture

Nebula’s yield and liquidity infrastructure is designed to coordinate stablecoin collateral, cross-chain liquidity routing, and automated yield generation through one unified system.

The architecture combines:

• lock contracts
• yield allocation infrastructure
• multi-hop routing
• liquidity buffers
• automated rebalancing
• ecosystem-specific deployments

This enables ecosystems to access yield-generating liquidity while maintaining cross-chain accessibility and coordinated liquidity management.

Lock Contracts

Nebula uses dedicated lock contracts to manage stablecoin collateral.

Lock contracts:

• hold collateral assets
• coordinate withdrawals
• manage liquidity buffers
• route collateral into yield infrastructure
• support ecosystem-specific deployments

Default lock chain configurations use:

• Arbitrum for USDC
• Ethereum for USDT

Custom lock chains can also be deployed depending on ecosystem requirements.

Yield Layer

Nebula deposits the majority of collateral into Aave v3 to generate yield from idle stablecoin liquidity.

The standard configuration allocates:

• 90% of collateral to yield generation
• 10% to on-chain withdrawal liquidity

This allows Nebula to maintain active liquidity availability while maximising capital efficiency.

The architecture also supports future expansion into additional money markets and yield infrastructure providers.

Liquidity Buffers

Nebula maintains a continuous on-chain liquidity buffer to support stablecoin redemptions and liquidity accessibility.

The liquidity buffer is dynamic and automatically adjusts based on the utilisation rates of the pools. As utilisation increases, the buffer automatically grows to ensure users can withdraw at any size, at any time, without being affected by liquidity constraints.

The default buffer configuration maintains:

• 10% immediately available on-chain liquidity

This reduces dependency on external withdrawal timing and improves redemption responsiveness during normal operations.

Automated Rebalancing

Nebula continuously rebalances liquidity between:

• lock contracts
• on-chain buffers
• yield-generating infrastructure

This ensures:

• liquidity buffers remain available
• yield allocation remains efficient
• collateral utilisation remains balanced
• redemption accessibility is maintained

Rebalancing operations are coordinated automatically through Nebula infrastructure.

Just-In-Time Liquidity

If redemption demand exceeds the available on-chain liquidity buffer, Nebula automatically retrieves liquidity from yield infrastructure during transaction execution.

This enables:

• dynamic liquidity coordination
• uninterrupted redemption flows
• cross-chain liquidity accessibility
• efficient capital deployment

Liquidity retrieval occurs within the same operational flow as standard bridge execution.

Multi-Hop Integration

Nebula integrates directly with Lucid’s Multi-Hop routing infrastructure.

This allows liquidity to:

• originate from supported chains
• route through Lucid infrastructure
• settle on destination ecosystems
• coordinate minting and redemption flows

Multi-Hop routing enables cross-chain liquidity coordination without requiring users to manually bridge assets across multiple environments.

Revenue Sharing

Nebula uses a revenue-sharing model between Lucid and ecosystem foundations.

Yield generation is tracked through Lucid’s internal monitoring infrastructure, including:

• chain distribution
• time-weighted liquidity allocation
• yield generation metrics

Revenue distributions are coordinated directly with ecosystem treasury infrastructure.

Custom Isolated Deployments

Nebula supports isolated ecosystem deployments with:

• independent lock contracts
• custom liquidity infrastructure
• ecosystem-specific yield strategies
• isolated risk environments

This allows ecosystems to deploy alternative liquidity or yield strategies without exposing shared Nebula infrastructure to additional risk.