My thinking is that there are very few 1000x opportunities in life, and if you can control the downside, why not put a few chips on the table? To me 1% of one's portfolio is a no-brainer. If I were in my early 20s again (oh for the days!) and had nothing to lose, I might put as much as 50% of my savings into bitcoin (because even if it went to zero, I could make up what I lost in salary pretty quickly). For people who are older and have a lot more to lose I think 1% is an amount that isn't too scary, because most people's portfolios move that much in a day anyway.<p>As a bonus question, if you invest 1% of your portfolio in bitcoin and it balloons to 10%, do you rebalance it back to 1%, or do you let it ride?<p>ps None of this should be construed as investment advice. Bitcoin could go to zero and you could lose all your money and your friends will laugh at you. That would suck.