j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutL»# Use Bitcoin script.
Use Bitcoin script. Send yourself the transaction on BSV with a non-standard script output. The BCH transaction will fail to propagate and thus won't be replayable.
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https://whatsonchain.com/tx/b48589647f8d7426735c2f4da6052e3c5380ace3b244e579305e032f4a717f63