For those searching for a long-term investment perspective risk and volatility are big issues: and there's no better example of that rollercoaster ride than crypto-currencies. Adam Cox has chosen to focus this episode on Bitcoin due to its reputation for major swings in value — but it applies just as well to major asset sectors such as property and stocks. The fact is that cash left on deposit at a time of high inflation erodes real value just like a leaky bath: so it's important to come to terms with asset risk and not to suffer 'analysis paralysis'. Adam's time machine and rollercoaster analogy might help.