Quote from: Haliburton on Today at 01:18:13 AM

Thanks for the tip. Which wallet do you recommend the most for Bitcoin transactions on mobile devices? I have an Android phone and want to do this with the most secure and/or trusted, reliable Bitcoin wallet. It should be a matter of sweeping the private key, and sending the funds to the new native SegWit address.

And to be honest, I did not know about "replay protection". I've thought that sending coins through the original chain, will also reflect itself on other chains. Sort of like what happened with the Ethereum Classic hard fork in 2016. It's a relief that all forked chains live independently from the original Bitcoin blockchain. Else, I would've lost the opportunity of selling the other coins for free money. Grin

I don't recommend using mobile or any other online wallet for handling all your long-term coins, it's just too risky. You should use a cold storage setup or buy a hardware wallet. Make sure to carefully research about it, there's plenty of topics on this forum about it.

As for replay protection, when someone makes a contentious hard fork, they don't bother implementing it, because they want everyone follow only their chain. But when someone creates a forked altcoin, they do want to implement it, because it would make it easier for their users.