Blockchain Quantum Computer Threat & Resistance? 

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NOTE: XMSS technology 

QRL - Quantum Resistant Ledger QRL is currently an ERC20 token that trades on the major exchanges, including Bittrex, Tidex and Liqui.io.  The technology will help secure transactions but will also employ a hash-based signature scheme XMSS, a proposed IETF standard. Other nodes can dial up this key and create secure decentralized communication channels for the messaging system.  The company plans to using the innovation in helping to secure company communications and other services in addition to being a cryptocurrency vault.