Bitcoin negative yields are impossible
Negative yield is an intriguing concept. The whole idea behind paying interests is that your money is worth more today than it is tomorrow. Cash in hand should be worth more than ...
First Generation Cryptocurrencies
The first generation cryptocurrencies was spawned by Bitcoin. Several Bitcoin forks exist on this generation. Most 1st generation coins simply copied the Bitcoin source code while modifying the encryption algorithms and total coin supply.
Second Generation Cryptocurrencies
The second generation of cryptocurrencies added on-chain smart contracts and fully featured contract programming languages. Ethereum, which is the most notable 2nd generation cryptocurrency, brought smart contracts and introduced tokens to the masses, spawning the wave of ICO's from 2014 onwards.
Third Generation Cryptocurrencies
Third Generation Cryptocurrencies are still being developed. These include everything from second gen cryptos, plus on-chain governance, delegated Proof of Stake consensus and native compliance features. Cardano is a notable example of 3rd gen cryptocurrency project.