This Week in Blockchain Research Issue #115

Issue #115


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Issue #115

Paper of the Week:

Paper Title: Blockchain Layer Zero: Characterizing the Bitcoin Network through Measurements, Models, and Simulations.

TLDR:

  1. In recent years, research has shown the networking layer’s significant influence on the scalability, security, and privacy of blockchain systems.

  2. Such large-scale networks however exhibit a degree of complexity that demands model-based simulations as real-world experiments are often not possible.

  3. This work methodically characterizes blockchain networks by reference to the paradigmatic Bitcoin peer-to-peer network, explores the state-of-the-art protocols, and emphasizes this key design space.

  4. It conducts a longitudinal measurement study on the Bitcoin network, from which it extracts a comprehensive network model and implements it as part of the bns network simulation framework.

  5. It validates the model in comparison to real-world measurements as well as to results from related work.

  6. Moreover, it experimentally shows how network utilization and miners’ geographical location impact the block propagation characteristics.

AuthorsElias Rohrer* and Florian Tschorsch*,

Affiliations: * Technical University of Berlin.


Security:

1. Paper Title: A Rational Protocol Treatment of 51% Attacks.

Summary: This work utilizes the recently proposed blockchain adaptation of the rational protocol design (RPD) framework to analyze 51% double-spending attacks against Nakamoto-style proof-of-work based cryptocurrencies.

Authors: Christian Badertscher*, Yun Lu†, and Vassilis Zikas

Affiliations* IOHK, † University of Edinburgh, and ‡ Purdue University.

2. Paper Title: W-OTS+ up my Sleeve! A Hidden Secure Fallback for Cryptocurrency Wallets.

Summary: A new approach to integrate a quantum-secure fallback inside an elliptic curve private key.

Authors: David Chaum*, Mario Larangeira†, Mario Yaksetig*‡, and William Carter*,

Affiliations* xx network, † Tokyo Institute of Technology, ‡ IOHK, and § University of Porto.

3. Paper Title: Towards Verifiable Mutability for Blockchains.

Summary: A blockchain-like structure that enables the attachment and removal of information.

Authors: Erik Daniel* and Florian Tschorsch*,

Affiliations: * Technical University of Berlin.

4. Paper Title: Modeling the Block Verification Time of Zcash.

Summary: A model for the block verification time of Zcash based on transaction features and a benchmark of the Zcash client’s block verification process and its employed cryptographic primitives to support and evaluate the model.

Authors: Fabian Stiehle, Erik Daniel* and Florian Tschorsch*,

Affiliations: * Technical University of Berlin.


Privacy:

1. Paper Title: MiniLedger: Compact-sized Anonymous and Auditable Distributed Payments.

Summary: A distributed payment system which not only guarantees the privacy of transactions, but also offers built-in functionalities for various types of audits by any external authority.

Authors: Panagiotis Chatzigiannis* and Foteini Baldimtsi*,

Affiliations* George Mason University.


Scalability:

1. Paper Title: Donner: UTXO-Based Virtual Channels Across Multiple Hops.

Summary: The first virtual channel construction over multiple intermediaries in a single round of communication. 

Authors: Lukas Aumayr*, Pedro Moreno-Sanchez, Aniket Kate, and Matteo Maffei*,

Affiliations* TU Wien, † IMDEA Software Institute, and ‡ Purdue University.


Proofs:

No papers.


Consensus:

1. Paper Title: Capacity Analysis of Public Blockchain.

Summary: This paper presents discrete-time Markov chain models to quantify the capacity of Proof-of-Work based public blockchains in non-ideal networks.

Authors: Xu Wang*, Wei Ni†, Xuan Zha‡, Guangsheng Yu*, Ren Ping Liu*, Nektarios Georgalas§, and Andrew Reeves§,

Affiliations* University of Technology Sydney, † Data61, CSIRO, ‡ China Academy of Information and Communications Technology, and § British Telecom.


Tokenomics:

1. Paper Title: JACK THE RIPPLER: Arbitrage on the Decentralized Exchange of the XRP Ledger.

Summary: A bot that identifies and exploits arbitrage opportunities on the XRPL DEX.

AuthorsGaspard Peduzzi*, Jason James†, and Jiahua Xu†,

Affiliations: * EPFL and † UCL.


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