What is a ROSCA? Rotating Savings and Credit Associations Explained

// Simplified ROSCA Smart Contract
struct ROSCACircle {
    members: vector<address>,
    contribution_amount: u64,
    current_round: u64,
    payout_recipient: address,
    contributions_this_round: Table<address, bool>,
    security_deposits: Table<address, u64>
}

public fun make_contribution(
    circle: &mut ROSCACircle,
    payment: Coin<USDC>,
    ctx: &TxContext
) {
    // Verify contribution amount and member status
    // Record contribution automatically
    // Trigger payout when round complete
    // Update reputation scores
}