Looking at the potential of cryptocurrency, if future growth continues at a similar declining rate we will see another mania peaking out around 2023 about 400% above trendline / fair value that will be around 3.2T by that time, giving us 16T from Trillion. This is a crazy valuation bringing top coins like BTC, ETH and BCH over 1T in valuation each, more than the biggest companies in the world, even coming close to valuations as all USD or EUR in circulation. Odds for this to happen in such short time however I do see lower than the reasonable 50% as fundamentals of market leader Bitcoin BTC have changed dramatically for the worse since 2017 (rising trans fees), possibly slowing down growth of the whole industry. But still if you only give it 25% odds you still have great risk/reward. However, nothing is certain and a company like Tesla may be a great diversification away from crypto possibly saving your portfolio returns thanks to it's great risk/reward as well.