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Utreexo: A dynamic hash-based accumulator optimized for the Bitcoin UTXO set
accumulators bitcoin merkle proofs
2019/6/4
In the Bitcoin consensus network, all nodes come to agreement on the set of Unspent Transaction Outputs (The “UTXO” set). The size of this shared state is a scalability constraint for the network, as ...
Another coin bites the dust: An analysis of dust in UTXO based cryptocurrencies
blockchain UTXO Bitcoin
2018/5/28
Unspent Transaction Outputs (UTXOs) are the internal mechanism used in many cryp- tocurrencies to represent coins. Such representation has some clear benefits, but also entails some complexities that,...
An Abstract Model of UTxO-based Cryptocurrencies with Scripts
Cryptocurrency Blockchain Validator-Redeemer Scripts
2018/5/23
In [1], an abstract accounting model for UTXO-based cryptocurrencies has been presented. However, that model considered only the simplest kind of transaction (known in Bitcoin as pay-to-pubkey-hash) a...
Chimeric Ledgers: Translating and Unifying UTXO-based and Account-based Cryptocurrencies
Blockchain Bitcoin Ehtereum
2018/3/13
Cryptocurrencies are historically divided in two broad groups with respect to the style of transactions that they accept. In the account-based style, each address is seen as an account with a balance,...