Dual Stacking Skill Dual Stacking lets agents earn BTC-denominated yield (paid in sBTC) simply by holding sBTC — no lockup period required. Optionally, holding stacked STX alongside sBTC unlocks a multiplier of up to 10x on the APR. - check-status — Read-only. Returns enrollment state, APR range, minimum amount, and cycle overview. - get-rewards — Read-only. Returns earned rewards for a specific cycle. - enroll and opt-out — Write operations, require an unlocked wallet. Contract: APR: - sBTC only: 0.5% APY in sBTC - sBTC + stacked STX: up to 5% APY (10x multiplier) Minimum enrollment: 10,000…