Polkadot
Suppose it’s 1980
There are computers and whole Tech side is still in it’s early years. There is no means to connect 2 different computers even if there is its complicated and depend on which company manufactured computer or manufacturers have contract to develop such things or not. There in 1983 Internet was discovered and now we know how disruptive internet became.
Same things applies for polkadot blockchain, it’s intended increase inter portability amongst Blockchain’s. It’s PoS ( proof of stake ) blockchain.
It’s regarded as “ eth killer “ / eth but better
parachain — sub chain / blockchains which Polkadot is connecting / project specific blockchain
This will be one of most important component of polkadot to implement interoperability.
They have dot token listed on many reputed exchanges and I’m personally invested in Polkadot. I’m bullish about this. Link of white paper