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Pregled bibliografske jedinice broj: 1239002

The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens

De Collibus, Francesco Maria; Partida, Alberto; Piškorec, Matija
The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens // Complex Networks & Their Applications X
Madrid, Španjolska: Springer, 2022. str. 792-804 doi:10.1007/978-3-030-93409-5_65 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)

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Naslov
The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens

Autori
De Collibus, Francesco Maria ; Partida, Alberto ; Piškorec, Matija

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Complex Networks & Their Applications X / - : Springer, 2022, 792-804

Skup
International Conference on Complex Networks and Their Applications

Mjesto i datum
Madrid, Španjolska, 30.11.2021. - 02.12.2021

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Blockchain ; Ethereum ; Cryptocurrencies ; Cryptoassets ; Decentralised finance ; DeFi ; Ampleforth ; Basic Attention Token ; Dai ; Uniswap ; Preferential attachment ; Network dismantling

Sažetak
We analyse the transaction networks of four representative ERC-20 tokens that run on top of the public blockchain Ethereum and can be used as collateral in DeFi: Ampleforth (AMP), Basic Attention Token (BAT), Dai (DAI) and Uniswap (UNI). We use complex network analysis to characterize structural properties of their transaction networks. We compute their preferential attachment and we investigate how critical code-controlled nodes (smart contracts, SC) executed on the blockchain are in comparison to human-owned nodes (externally owned accounts, EOA), which are be controlled by end users with public and private keys or by off-blockchain code. Our findings contribute to characterise these new financial networks. We use three network dismantling strategies on the transaction networks to analyze the criticality of smart contract and known exchanges nodes as opposed to EOA nodes. We conclude that smart contract and known exchanges nodes play a structural role in holding up these networks, theoretically designed to be distributed but in reality tending towards centralisation around hubs. This sheds new light on the structural role that smart contracts and exchanges play in Ethereum and, more specifically, in Decentralized Finance (DeFi) networks and casts a shadow on how much decentralised these networks really are. From the information security viewpoint, our findings highlight the need to protect the availability and integrity of these hubs.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Računarstvo, Interdisciplinarne tehničke znanosti



POVEZANOST RADA

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Matija Piškorec (autor)

Poveznice na cjeloviti tekst rada:

doi link.springer.com

Citiraj ovu publikaciju:

De Collibus, Francesco Maria; Partida, Alberto; Piškorec, Matija
The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens // Complex Networks & Their Applications X
Madrid, Španjolska: Springer, 2022. str. 792-804 doi:10.1007/978-3-030-93409-5_65 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
De Collibus, F., Partida, A. & Piškorec, M. (2022) The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens. U: Complex Networks & Their Applications X doi:10.1007/978-3-030-93409-5_65.
@article{article, author = {De Collibus, Francesco Maria and Partida, Alberto and Pi\v{s}korec, Matija}, year = {2022}, pages = {792-804}, DOI = {10.1007/978-3-030-93409-5\_65}, keywords = {Blockchain, Ethereum, Cryptocurrencies, Cryptoassets, Decentralised finance, DeFi, Ampleforth, Basic Attention Token, Dai, Uniswap, Preferential attachment, Network dismantling}, doi = {10.1007/978-3-030-93409-5\_65}, title = {The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens}, keyword = {Blockchain, Ethereum, Cryptocurrencies, Cryptoassets, Decentralised finance, DeFi, Ampleforth, Basic Attention Token, Dai, Uniswap, Preferential attachment, Network dismantling}, publisher = {Springer}, publisherplace = {Madrid, \v{S}panjolska} }
@article{article, author = {De Collibus, Francesco Maria and Partida, Alberto and Pi\v{s}korec, Matija}, year = {2022}, pages = {792-804}, DOI = {10.1007/978-3-030-93409-5\_65}, keywords = {Blockchain, Ethereum, Cryptocurrencies, Cryptoassets, Decentralised finance, DeFi, Ampleforth, Basic Attention Token, Dai, Uniswap, Preferential attachment, Network dismantling}, doi = {10.1007/978-3-030-93409-5\_65}, title = {The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens}, keyword = {Blockchain, Ethereum, Cryptocurrencies, Cryptoassets, Decentralised finance, DeFi, Ampleforth, Basic Attention Token, Dai, Uniswap, Preferential attachment, Network dismantling}, publisher = {Springer}, publisherplace = {Madrid, \v{S}panjolska} }

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  • Scopus

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