export declare const encodeBtcAddress: (source: Uint8Array) => string;
export declare const decodeBtcAddress: (source: string) => Uint8Array;
export declare const btc: {
    readonly name: "btc";
    readonly coinType: 0;
    readonly encode: (source: Uint8Array) => string;
    readonly decode: (source: string) => Uint8Array;
};
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