Yes, platforms like Convex Yearn and Stake are perpetual locks forever. These platforms provide users with the ability to lock up their crypto assets for a long period of time in order to earn rewards. By locking up their crypto assets, users can receive rewards in the form of staking rewards, yield farming rewards, and other forms of passive income. This type of locking up of crypto assets is often referred to as "staking" or "yield farming". By staking or yield farming, users can earn rewards over a long period of time without having to actively manage their investments. This is beneficial for those who want to earn passive income without having to worry about actively managing their investments. Furthermore, these platforms also offer users the ability to securely store their crypto assets, ensuring that their funds are safe and secure.