Sybil in the haystack: A comprehensive review of blockchain consensus mechanisms in search of strong Sybil attack resistance
M Platt, P McBurney - Algorithms, 2023 - mdpi.com
Consensus algorithms are applied in the context of distributed computer systems to improve
their fault tolerance. The explosive development of distributed ledger technology following …
their fault tolerance. The explosive development of distributed ledger technology following …
Uncle maker:(time) stamping out the competition in ethereum
We present and analyze an attack on Ethereum 1's consensus mechanism, which allows
miners to obtain higher mining rewards compared to their honest peers. This attack is novel …
miners to obtain higher mining rewards compared to their honest peers. This attack is novel …
Ofelimos: Combinatorial optimization via proof-of-useful-work: A provably secure blockchain protocol
Minimizing the energy cost and carbon footprint of the Bitcoin blockchain and related
protocols is one of the most widely identified open questions in the cryptocurrency space …
protocols is one of the most widely identified open questions in the cryptocurrency space …
Chrisimos: A useful Proof-of-Work for finding Minimal Dominating Set of a graph
D Chatterjee, P Banerjee… - 2023 IEEE 22nd …, 2023 - ieeexplore.ieee.org
Hash-based Proof-of-Work (PoW) used in the Bitcoin Blockchain leads to high energy
consumption and resource wastage. In this paper, we aim to re-purpose the energy by …
consumption and resource wastage. In this paper, we aim to re-purpose the energy by …
Performance analysis of PoUW consensus mechanism: Fork probability and throughput
Q Zhao, X Tai, J Yuan, J Xu, L Feng, Z Ma - Peer-to-Peer Networking and …, 2022 - Springer
Proof of work (PoW) is a popular consensus mechanism for blockchain. However, it,
consuming huge computing resources, does not serve useful purpose beyond reaching a …
consuming huge computing resources, does not serve useful purpose beyond reaching a …
Teaching Blockchain in K9-12: Instruction materials and their assessment
L Irudayam, F Breitinger - arXiv preprint arXiv:2211.05933, 2022 - arxiv.org
This paper analyses the feasibility of including emerging IT-topics into secondary education
(K9-12). We developed a class on Blockchain for K9-12 students which delivers relevant …
(K9-12). We developed a class on Blockchain for K9-12 students which delivers relevant …
Replacing Cryptopuzzles with Useful Computation in Blockchain Proof-of-Work Protocols
Proof-of-Work (PoW) blockchains have emerged as a robust and effective consensus
mechanism in open environments like the Internet, leading to widespread deployment with …
mechanism in open environments like the Internet, leading to widespread deployment with …