I still dont get it what QRL makes unique. There are already quantum resistant coins out there and it seems to be no big problem to integrate quantum resistant mechanism in existing coins in the future.
So can anyone explain me what QRL makes special? I really dont understand it but i want
No there is no quantum resistant crypto out there other than IOTA, but IOTA is a DAG (+ last time I checked the consensus in IOTA is centralized it's not even decentralized). I know there have been a few cryptos to make this claim because they use really long keys or whatever, but they still use Elliptic-curve cryptography. Quantum computer can use shor's algorithm to break this kind of cryptography which is used basicly in all crypto's today.
Yes it is a big problem to integrate real quantum resistance or they would have done it already and most of them don't even have any plans to do it. Ethereum is saying they will do it, but the way Vitalik is saying now that they plan to do it is to implement one time keys scheme and it will be optional. One time key scheme will simply not be enough it's more like a marketing stunt and Vitalik can't implement any real quantum resistant solution because that would bottleneck he's already struggling network. He wants the network to scale or the idea of Ethereum dies and what is even worse is that it will be optional that leaves a lot of addresses compromised and will be devastating in a post QC event.
What is unique in QRL you ask?
1) Use of stateful XMSS signatures to secure addresses.
2) Custom hash-based POS algorithm generating randomness using hash-based PRF and iterative keyed hash-chains.
3) Ephemeral messaging layer with anonymous completely private post-quantum secure end-end data channels.
I would also add that the team is unique. They even have a post-quantum cryptography researcher in the team (which there are only a few in the whole World) who is also working on a post-quantum protection project funded by the European Commission. The lead dev is really a genius and most friendly person I have met in crypto and they are not greedy. They could have have collected 10's or 100's of millions for this project like many others have done, but they capped crowdfund at 4M$ because anything more would just be greed. They really believe in their vision and that this is important for the World. Rest of the team is just as awesome they have really delivered these past months. You can see this on Github and if you join the alpha testers.
As some wise man once said. Invest in people, not ideas.