xdc64b3b0a417775cfb441ed064611bf79826649c0f This address start with XDC prefix
0x64b3b0a417775cfb441ed064611bf79826649c0f This address start with 0x prefix
If you send the tokens to 0x prefix address or xdc prefix address you will receive your tokens on both the address and it will have same private key the address prefix is just from frontend only
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Sure here is the example
xdc64b3b0a417775cfb441ed064611bf79826649c0f This address start with XDC prefix
0x64b3b0a417775cfb441ed064611bf79826649c0f This address start with 0x prefix
If you send the tokens to 0x prefix address or xdc prefix address you will receive your tokens on both the address and it will have same private key the address prefix is just from frontend only