Dieđuid leavvan Bitcoin-fierpmádagas

Álgoálgosaš bajilčála: Information Propagation in the Bitcoin Network

Ovddeš dáhpáhusat

Beaivi ja áigi: bear 7. guov 2014, dii. 10.15–11.15 (Helsset, báikkálaš áigi)Áigeavádat: UTC+02:00
Báiki: Exactum B119, Gustaf Hällströmin katu 2b, Helsinki, Suopma · Kártta
Lágideaddji: Department of Computer Science, University of Helsinki
Šládja: Seminára

Gáldu: Department of Computer Science, University of Helsinki · viežžon 7. golg 2026

Dán dáhpáhusa birra

Bitcoin lea digitála ruhta, mii ii nu go árbevirolaš valuhtta leat sorjavaš guovddáš eiseváldis. Dan sadjái Bitcoin geavaha eaktodáhtolaččaid fierpmádaga mii oktasaččat čađaha replikerejuvvon ledger ja dárkkista transakšuvnnaid. Dán artihkkalis analyseret mo Bitcoin geavaha multihop-sáddema gaskkustit transakšuvnnaid ja blohkaid fierpmádaga bokte vai ledger replikáhtat ođasmahttojuvvojit. Dasto mii geavahit čohkkejuvvon dieđuid vai sáhttit duođaštit navdosa, ahte neahttafierpmádagas lea maŋŋoneapmi, mii lea váldosivvan blockcheaiproblemiide.

Álgoálgosaš teaksta: Bitcoin is a digital currency that unlike traditional currencies does not rely on a centralized authority. Instead Bitcoin relies on a network of volunteers that collectively implement a replicated ledger and verify transactions. In this paper we analyze how Bitcoin uses a multi-hop broadcast to propagate transactions and blocks through the network to update the ledger replicas. We then use the gathered information to verify the conjecture that the propagation delay in the network is the primary cause for blockchain forks.