Ethereum

What is the simplest, most battle-tested, "cliff contract" available out there? 

What I want: arbitrary tokens can be sent, and can only be transferred to a predetermined address at a specific block height, irrevocably. Ideally, anyone can push the tokens once cliff is over.

Co-Founder at sablier.com, and open-source developer. I have a broad range of interests, including longevity, epistemology, physics, and psychology.

Infrastructure for onchain token distribution. DAOs and businesses use Sablier for vesting, payroll, airdrops, and more. Check us out on sablier.com

Can’t speak to how battle tested the newest version is, but @sablier has been in the vesting, cliff, streaming game for a long while. Also @prberg is a gigadev