My 8 y/o told me he wanted to give me all his bitcoin because he didn't trust that he could hold it himself, and wanted me to hold it for him. So I added it to my wallet and told him he now owns none. Life lesson.
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in reality, all of your bitcoin is probably his bitcoin though. at least that's how i treat my bitcoin. it's not mine. im just holding it for my kids to give to them when im no longer around.