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Seven network sharing scenarios are identified, ranging from centralized network sharing to fully decentralized spectrum sharing. The suitability of some selected blockchain consensus algorithms (namely Proof-of-Work (PoW) with Ethereum, Proof-of-Authority (PoA) with Ethereum, Practical Byzantine Fault Tolerance (PBFT) with Tendermint and Proof-of-Stake (PoS) with Cosmos) is assessed for selected scenarios through extensive evaluations. This article also identifies gaps and opportunities in blockchain\u2013based network sharing solutions and outlines future research directions.<\/jats:p>","DOI":"10.1145\/3756330","type":"journal-article","created":{"date-parts":[[2025,7,28]],"date-time":"2025-07-28T15:45:44Z","timestamp":1753717544000},"page":"1-25","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Analysis and Performance Evaluation of Blockchain Consensus Mechanisms for Network Sharing"],"prefix":"10.1145","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3329-0588","authenticated-orcid":false,"given":"Engin","family":"Zeydan","sequence":"first","affiliation":[{"name":"Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4960-9434","authenticated-orcid":false,"given":"Josep","family":"Mangues-Bafalluy","sequence":"additional","affiliation":[{"name":"Centre Tecnol\u00f2gic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3779-0731","authenticated-orcid":false,"given":"Suayb S.","family":"Arslan","sequence":"additional","affiliation":[{"name":"Massachusetts Institute of Technology, Cambridge, Massachusetts, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8727-3188","authenticated-orcid":false,"given":"Yekta","family":"Turk","sequence":"additional","affiliation":[{"name":"Mobile Network Architect, Istanbul, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9057-2691","authenticated-orcid":false,"given":"Kiril","family":"Antevski","sequence":"additional","affiliation":[{"name":"AXo Solutions, Skopje, North Macedonia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2026,1,27]]},"reference":[{"key":"e_1_3_2_2_1","unstructured":"3GPP. 2021. 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