declare const utils: {
    compressKey(uncompressed: Uint8Array): Uint8Array;
    blake2b(input: Uint8Array, length: number): Uint8Array;
    normalizeSignature(signature: Uint8Array): Uint8Array;
    derSignatureToRaw(derSignature: Uint8Array): Uint8Array;
    base58CheckEncode(bytes: Uint8Array, prefix: Uint8Array): string;
    mergeBytes(a: Uint8Array, b: Uint8Array): Uint8Array;
    isHex(input: string): boolean;
    hexToBytes(hex: string): Uint8Array;
};
export default utils;