There's no anything you can do. What you need to do to follow the crypto wave. So what's your old company? is that based on tech? if you have experienced with marketing and you can try to make proposal and then offer your proposal to the cryptocurrency developers. Just hope that if you have enough experience and they will be interested in your proposal. You can start to offer this to the developers of altcoins. If they are offering small salary and just take it and used it as your portfolio.