Aaronson , S. & Shi , Y.2004. Quantum lower bounds for the collision and the element distinctness problems. Journal of ACM51(4), 595–605. doi: 10.1145/1008731.1008735.

Aggarwal , A., Brennen , G., Lee , T., Santha , M. & Tomamichel , M.2018 Quantum attacks on bitcoin, and how to protect against them. Ledger 3. issn: 2379–5980. doi: 10.5195/ledger.2018.127. https://www.ledgerjournal.org/ojs/index.php/ledger/article/view/127.

Enterprise Ethereum Alliance. 2018. Enterprise Ethereum Alliance - Enterprise Ethereum Client Specification V2. http://entethalliance.org/wp-content/uploads/2018/10/EEA_Enterprise_Ethereum_Client_Specification_V2.pdf.

Androulaki , E., Barger , A., Bortnikov , V., Cachin , C., Christidis , K., De Caro , A., Enyeart , D., Ferris , C., Laventman , G., Manevich , Y., Muralidharan , S., Murthy , C., Nguyen , B., Sethi , M., Singh , G., Smith , K., Sorniotti , A., Stathakopoulou , C., Vukolić , M., Cocco , S. W. & Yellick , J.2018. Hyperledger fabric: a distributed operating system for permissioned blockchains. In EuroSys ’18: Thirteenth EuroSys Conference, 2018. http://vukolic.com/fabric.pdf.

Atzei , N., Bartoletti , M. & Cimoli , T.2017. A Survey of Attacks on Ethereum Smart Contracts (SoK). Springer, 164–186. isbn: 978-3-662-54455-6.

Barker , E.NIST Special Publication 800-57 Part 1, Revision 4, Recommendation for Key Management, Part 1: General. http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r4.pdf.

Barker , E. & Roginsky , A.2015. NIST Special Publication 800-131A, Revision 1, Transitions: Recommendation for Transitioning the Use of Cryptographic Algorithms and Key Lengths. http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-131Ar1.pdf.

Bernstein , D. J.2009. Cost analysis of hash collisions: will quantum computers make SHARCS obsolete?Lausanne, Switzerland.

Bitcoin Magazine – Binance Hacked for 40M, CEO Backpedals on Recoup Via Block Reorganization.https://bitcoinmagazine.com/articles/binance-hacked-40mceo-backpedals-recoup-block-reorganization/ (accessed 07 June 2019).

Brassard , G., Hoyer , P. & Tapp , A.1997. Quantum cryptanalysis of hash and claw-free functions. SIGACT News28(2), 14–19. doi: 10.1145/261342.261346.

Buterin , V.On Settlement Finality.https://blog.ethereum.org/2016/05/09/on-settlement-finality/ (accessed 08 June 2019).

Buterin , V. Proposed Initial Abstraction Changes for Metropolis 86. Edited by Ethereum Improvement Proposal. github.com.%20https://github.com/ethereum/EIPs/issues/86.

Buterin , V.2017. Tradeoffs in Account Abstraction Proposals - Architecture - Ethereum Research. https://ethresear.ch/t/tradeoffs-in-account-abstractionproposals/263 (accessed 14 May 2019).

Buterin , V.2015. Understanding Serenity, Part I: Abstraction. Ethereum Blog. https://blog.ethereum.org/2015/12/24/understanding-serenity-part-i-abstraction/.

CCN. Ethereum’s Blockchain Accidentally Splits.https://www.ccn.com/ethereums-blockchain-accidentally-splits (accessed 07 June 2019).

Chen , L., Jordan , S., Liu , Y.-K., Moody , D., Peralta , R., Perlner , R. & Smith-Tone , D.2016. NISTIR 8105 DRAFT, Report on Post-Quantum Cryptography. http://csrc.nist.gov/publications/drafts/nistir-8105/nistir_8105_draft.pdf.

Crypto51 – Cost of a 51% Attack for Different Cryptocurrencies.https://www.crypto51.app/ (accessed 07 June 2019).

CoinDesk – Ethereum Developers Start Search for New Hard Fork Coordinator.https://www.coindesk.com/ethereum-developers-start-search-for-new-hard-forkcoordinator (accessed 11 June 2019).

Courtois , N. T.2014. On the Longest Chain Rule and Programmed Self-destruction of Crypto Currencies. arXiv:1405.0534. http://arxiv.org/abs/1405.0534 (accessed 06/11/2019).

Cunningham , A.2016. Intel Unveils Kaby Lake, Its First Post-“tick-tock” CPU Architecture. https://arstechnica.com/gadgets/2016/08/intel-unveils-kaby-lakeits-first-post-tick-tock-cpu-architecture/.

De , N.Ethereum Developers Delay Mining Algorithm Change for Code Audit – CoinDesk. https://www.coindesk.com/ethereum-developers-delay-miningalgorithm-change-for-code-audit (accessed 11 June 2019).

De Angelis , S.2018. Assessing Security and Performances of Consensus Algorithms for Permissioned Blockchains. arXiv:1805.03490. http://arxiv.org/abs/1805.03490 (accessed 11 June 2019).

EthereumFoundation . 2018. Go Ethereum Github Repository. https://github.com/ethereum/go-ethereum.

Ethereum Gas Station. 2018. https://ethgasstation.info/.

EthStats: Network Statistics - Instant Ethereum Blockchain Monitoring.2019. https://ethstats.io/ (accessed 27 May 2019).

Gencer , A. E., Basu , S., Eyal , I., van Renesse , R. & Sirer , E. G.2018. Decentralization in Bitcoin and Ethereum Networks. arXiv:1801.03998. http://arxiv.org/abs/1801.03998 (accessed 11 June 2019).

Gervais , A., Karame , G. O., Wüst , K., Glykantzis , V., Ritzdorf , H. & Capkun , S.2016. On the security and performance of proof of work blockchains. In Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security, CCS ’16, 3–16. ACM. isbn: 978-1-4503-4139-4. doi: 10.1145/2976749.2978341. http://doi.acm.org/10.1145/2976749.2978341.

GPU Mining Hashrates.https://www.buriedone.com/gpu-hashrates (accessed 07 June 2019).

Griffith , A.2018. Ethereum Meta Transactions - Kauri. https://kauri.io/article/8b1e4a4cdbb240c892925cd4779e34ca/ethereum-meta-transactions (accessed 01 June 2019).

Grover , L. K.1996. A Fast Quantum Mechanical Algorithm for Database Search, Philadelphia, Pennsylvania, USA. doi: 10.1145/237814.237866.

Hertig , A.2018. Blockchain’s Once-Feared 51% Attack Is Now Becoming Regular. https://www.coindesk.com/blockchains-feared-51-attack-now-becoming-regular/.

International Telecommunications Union. 2003. X.805 Security Architecture for Systems Providing End-to-End Communications. https://www.itu.int/rec/T-REC-X.805-200310-I/en.

Johnson , N.2018. On Parity’s Proposed Changes to SELFDESTRUCT Behaviour. https://medium.com/@weka/on-paritys-proposed-changes-to-selfdestruct-behaviour-c3f0e5bc0f49.

Khoo , B.2016. The DAO - Give a Summary of the Fork State Changes in Block 1920000 - Ethereum Stack Exchange. https://ethereum.stackexchange.com/questions/7832/give-a-summary-of-the-fork-state-changes-in-block-1920000 (accessed 14 June 2019).

Lin , Y.-T.2017. EIP 650: Istanbul Byzantine Fault Tolerance. https://github.com/ethereum/EIPs/issues/650.

Mayer , H. 2016 ECDSA Security in Bitcoin and Ethereum: a Research Survey. https://blog.coinfabrik.com/wp-content/uploads/2016/06/ECDSA-Security-in-Bitcoin-and-Ethereum-a-Research-Survey.pdf (accessed 07 June 2019).

Moore , G.1995. Lithography and the Future of Moore’s Law. http://www.lithoguru.com/scientist/CHE323/Moore1995.pdf.

Morgan , J. P.2018. Quorum Source Code. https://github.com/jpmorganchase/quorum.

Mosca , M.2015. Cybersecurity in an Era with Quantum Computers: Will We Be Ready?https://eprint.iacr.org/2015/1075.pdf.

Nakamoto , S.2008. Bitcoin: A Peer-to-Peer Electronic Cash System.https://bitcoin.org/bitcoin.pdf.

Niu , J. & Feng C.2019. Selfish Mining in Ethereum. arXiv:1901.04620v3. https://arxiv.org/pdf/1901.04620.pdf (accessed 07 June 2019).

Ogundeji , O.Ethereum Hard Fork No. 4 Has Arrived as DOS Attacks Intensify. https://cointelegraph.com/news/ethereum-hard-fork-no-4-has-arrivedas-dos-attacks-intensify (accessed 11 June 2019).

PegaSysEng, 2018. Pantheon Ethereum Client Github Repository. https://github.com/PegaSysEng/pantheon.

Polites , J.2017. What CryptoKitties Reveals About Ethereum Scalability Issues. https://www.ccn.com/cryptokitties-reveals-ethereum-scalability-issues/.

Robinson , P.2018a. Future of blockchain - an Ethereum perspective. In Proceedings of the 3rd Symposium on Distributed Ledger Technology. https://symposiumdlt.org/sdlt2018.zip.

Robinson , P.2018b. Requirements for Ethereum Private Sidechains. http://adsabs.harvard.edu/abs/2018arXiv180609834R.

Robinson , P.2018c. Using Ethereum registration authorities to establish trust for Ethereum Private Sidechains. The Journal of the British Blockchain Association. doi: 10.31585/jbba-1-2-(6)2018. https://doi.org/10.31585/jbba-1-2-(6)2018.

Robinson , P. & Brainard , J.2019. Anonymous State Pinning for Private Blockchains. https://arxiv.org/abs/1903.02752.

Robinson , P. Hyland-Wood, D., Saltini , R., Johnson , S. & Brainard , J.2019. Atomic Crosschain Transactions for Ethereum Private Sidechains. https://arxiv.org/abs/1904.12079.

Saltini , R.2019. IBFT 2.0 Gray Paper Version 0.2. https://github.com/PegaSysEng/ibft2.x/raw/master/gray_paper/ibft2_gray_paper.pdf.

Sasaki , Y. & Aoki , K.2009. Finding preimages in full MD5 faster than exhaustive search. In Advances in Cryptology - EUROCRYPT 2009: 28th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Cologne, Germany, April 26–30, 2009. Proceedings, Joux, A. (ed.). Springer, 134–152. isbn: 978-3-642-01001-9. doi: 10.1007/978-3-642-01001-9_8. http://dx.doi.org/10.1007/978-3-642-01001-9_8.

Schoedon , A.2018. EIP 999. https://github.com/ethereum/EIPs/blob/master/EIPS/eip-999.md.

Sharding FAQ.2018. On Sharding Blockchains. https://github.com/ethereum/wiki/wiki/Sharding-FAQ.

Shor , P. W.1994. Algorithms for quantum computation: discrete logarithms and factoring. In Proceedings 35th Annual Symposium on Foundations of Computer Science, 124–134. doi: 10.1109/SFCS.1994.365700.

Simonite , T.2016. Moore’s Law Is Dead. Now What? MIT Technology Review. https://www.technologyreview.com/s/601441/moores-law-is-dead-now-what/.

Solidity. 2017. http://solidity.readthedocs.io/en/latest/.

Spode , E.2017. The Great Cryptocurrency Heist. https://aeon.co/essays/trustthe-inside-story-of-the-rise-and-fall-of-ethereum.

Wang , X. & Yu , H.2005. How to break MD5 and other hash functions. In Advances in Cryptology - EUROCRYPT 2005: 24th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Aarhus, Denmark, May 22–26, 2005. Proceedings, Cramer, R. (ed.). Springer, 19–35. isbn: 978-3-540-32055-5. doi: 10.1007/11426639_2. http://dx.doi.org/10.1007/11426639_2.

Wood , G.2016. Ethereum: A Secure Decentralized Generalised Transaction Ledger. Github. https://github.com/ethereum/yellowpaper.

Xu , X., Weber , I., Staples , M., Zhu , L., Bosch , J., Bass , L., Pautasso , C., Rimba , P.2017. A Taxonomy of Blockchain-Based Systems for Architecture Design. Gothenburg. doi: 10.1109/ICSA.2017.33. https://ieeexplore.ieee.org/document/7930224.