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The concept of a peer-to-peer internet ledger of value, recorded as a blockchain and secured by proof of work was rst reported in 2008. Bitcoin remains the most widely used cryptocurrency to date. Hundreds of similar cryptocurrency ledgers have been subsequently created but with few exceptions they rely on the same elliptic curve public-key cryptography (ECDSA) to generate digital signatures which allow transactions to be varied securely. The most commonly used signature schemes today such as ECDSA, DSA and RSA are theoretically vulnerable to quantum computing attack. It would be valuable to explore the design and construction of a quantum resistant blockchain ledger to counter the potential advent of a sudden non-linear quantum computing advance.
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General
Website: Visit
White paper: Read
Dates: TBA
Token info
Ticker: QRL
Platform: Ethereum
Token Type: ERC20
Financial
Accepting: ETH
November 2016
White paper release. After discussion with developers, post-quantum cryptographers and research into existing roadmap of blockchain technology, the whitepaper was written to provide an overview of quantum resistant methodologies. The Winternitz OTS+ and Extended Merkle Signature Scheme (XMSS) were identified as the optimal solutions. This investigation also revealed the necessity of QRL to stand alone as a network with interoperability in the later pipeline.
December 2016
Design of a proof-of-stake algorithm (POS) commenced
January 2017
Prototype node development with basic POS algorithm and integration of XMSS signatures
February 2017
Prototype node development with basic POS algorithm and integration of XMSS signatures
April 2017
Launch of the Alpha testnet with nodes running on MacOS, Linux, Windows on hardware including Raspberry Pi. Private seed presale round opens.
August 2017
Node optimization with C++. Inter-node encrypted communication (‘new hope’ lattice-based cryptography)
December 2017
Not willing to compromise a launch with an immature PoS protocol given how much value the project currently carries — and more importantly how much value it will hold in the future, QRL announces a move to temporary Proof of Work model.
January 2018
Proof of Work public testnet is released to the public
February 2018
The introduction and solidification of variable key heights and signature space allows us to ensure future compatibility with almost anything. Our blockchain now includes the possibility to upgrade signature schemes (XMSS, SPHINCS, + future) and through an address format update, support different cryptographic hash functions (SHA2_256, SHAKE_128, SHAKE256 etc).
March 2018
Our internal code review also compliments the more general internal security review we are currently in the process of conducting.
March 2018
Audit Completed by red4sec with x41 doing a secondary audit for further scrutiny.
June 2018
The QRL Main Network is officially Live!

Block Explorer: https://explorer.theqrl.org/

Web Wallet: https://wallet.theqrl.org/

Desktop Wallets: https://github.com/theQRL/qrl-wallet/releases

Release: https://qrl.foundation/assets/QRLF-PR-20180626.pdf
Screenshots taken 4 Oct 2018
Michael Kolenbrander
Core Developer Technical Solution Architect
Elliott Gregory Dehnbostel
Marketing & Community Community Engagement
Adam Koltun
Business Development Lead Business Strategist
Scott Donald
Core Developer Full Stack Developer
Luke Hahn
Design Lead UI / UX Designer
Jack Matier
Marketing & Community Community Support
Andrew
Chiw Developer Node Development
Kaushal Kumar Singh
Core Developer Blockchain Developer
JP Lomas
Core-Developer Full stack developer
Adem Bilican
Mobile Developer Ephemeral Messaging
Juan Leni
Senior Consultant Lead Architect
Peter Waterland
Core Developer Founder
Aidan Beale
Developer Node GUI
Filip Radičević
Core Developer Business Solutions Architect
James Gordon
Documentation Lead Technical Writer/Analyst

Advisors (1)

Leon Groot Bruinderink
Advisor PhD student Post-quantum Cryptography
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