What's the half-life of energy in Bitcoin? Well, it's forever ... If I take the electricity that I would use to run a car for 100 years, and I put it in the car, I'm going to lose it because of... depletion. But if I take the same energy, and I sell it to the grid, take the money, buy the Bitcoin, attach the Bitcoin to a chip in the Tesla, or in the car, the car will run itself forever.