Mine BlockDag for free with your phone. Feel free to use my invite code NU5zh7sy

IOS:

https://apps.apple.com/us/app/blockdag-x1/id6503609082

Android:

https://apk.blockdagnetwork.io/BlockDAGv1.4.apk

More info for DYOR :

https://wiki.blockdag.network/blockdag-wiki/all-about-blockdag