---
res:
  bibo_abstract:
  - "Payment channel networks (PCNs) are one of the most prominent solutions to the
    limited transaction throughput of blockchains. Nevertheless, PCNs suffer themselves
    from a throughput limitation due to the capital constraints of their channels.
    A similar dependence on high capital is also found in inter-bank payment settlements,
    where the so-called netting technique is used to mitigate liquidity demands.\r\nIn
    this work, we alleviate this limitation by introducing the notion of transaction
    aggregation: instead of executing transactions sequentially through a PCN, we
    enable senders to aggregate multiple transactions and execute them simultaneously
    to benefit from several amounts that may \"cancel out\". Two direct advantages
    of our proposal is the decrease in intermediary fees paid by senders as well as
    the obfuscation of the transaction data from the intermediaries.\r\nWe formulate
    the transaction aggregation as a computational problem, a generalization of the
    Bank Clearing Problem. We present a generic framework for the transaction aggregation
    execution, and thereafter we propose Wiser as an implementation of this framework
    in a specific hub-based setting. To overcome the NP-hardness of the transaction
    aggregation problem, in Wiser we propose a fixed-parameter linear algorithm for
    a special case of transaction aggregation as well as the Bank Clearing Problem.
    Wiser can also be seen as a modern variant of the Hawala money transfer system,
    as well as a decentralized implementation of the overseas remittance service of
    Wise.@eng"
  bibo_authorlist:
  - foaf_Person:
      foaf_givenName: Samarth
      foaf_name: Tiwari, Samarth
      foaf_surname: Tiwari
  - foaf_Person:
      foaf_givenName: Michelle X
      foaf_name: Yeo, Michelle X
      foaf_surname: Yeo
      foaf_workInfoHomepage: http://www.librecat.org/personId=2D82B818-F248-11E8-B48F-1D18A9856A87
    orcid: 0009-0001-3676-4809
  - foaf_Person:
      foaf_givenName: Zeta
      foaf_name: Avarikioti, Zeta
      foaf_surname: Avarikioti
  - foaf_Person:
      foaf_givenName: Iosif
      foaf_name: Salem, Iosif
      foaf_surname: Salem
  - foaf_Person:
      foaf_givenName: Krzysztof Z
      foaf_name: Pietrzak, Krzysztof Z
      foaf_surname: Pietrzak
      foaf_workInfoHomepage: http://www.librecat.org/personId=3E04A7AA-F248-11E8-B48F-1D18A9856A87
    orcid: 0000-0002-9139-1654
  - foaf_Person:
      foaf_givenName: Stefan
      foaf_name: Schmid, Stefan
      foaf_surname: Schmid
  bibo_doi: 10.1145/3558535.3559775
  dct_date: 2022^xs_gYear
  dct_identifier:
  - UT:001041852800015
  dct_isPartOf:
  - http://id.crossref.org/issn/9781450398619
  dct_language: eng
  dct_publisher: Association for Computing Machinery@
  dct_title: 'Wiser: Increasing throughput in payment channel networks with transaction
    aggregation@'
...