/** Server-side: one nonce R per component slot; signs once. */
export declare class BlindSigner {
    private k;
    private readonly rPoint;
    constructor();
    /** Compressed nonce point R = k*G (defensive copy). */
    getR(): Uint8Array;
    sign(roundSeckey: Uint8Array, ebytes: Uint8Array): Uint8Array;
}
/** Client-side: blinds component hash; unblinds server scalar to Schnorr sig. */
export declare class BlindSignatureRequest {
    private a;
    private readonly c;
    private readonly Rxnew;
    private readonly pubkeyCompressed;
    private readonly messageHash;
    private readonly e;
    constructor(pubkey: Uint8Array, R: Uint8Array, messageHash: Uint8Array);
    getRequest(): Uint8Array;
    finalize(sbytes: Uint8Array, check?: boolean): Uint8Array;
}
export declare function buildBlindSigRequests(roundPubkey: Uint8Array, blindNoncePoints: Uint8Array[], components: Uint8Array[]): {
    requests: BlindSignatureRequest[];
    eValues: Uint8Array[];
};
export declare function finalizeBlindSigs(requests: BlindSignatureRequest[], scalars: Uint8Array[]): Uint8Array[];
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