bech32 implements a bech32 decoder suitable for decoding Cardano CIP-0019 addresses,
https://github.com/cardano-foundation/CIPs/blob/master/CIP-0019/CIP-0019.md
hrp, data, err := bech32.Decode("addr1vx2fxv2umyhttkxyxp8x0dlpdt3k6cwng5pxj3jhsydzers66hrl8")
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