@InProceedings{nester:OASIcs.Tokenomics.2020.7,
  author =	{Nester, Chad},
  title =	{{A Foundation for Ledger Structures}},
  booktitle =	{2nd International Conference on Blockchain Economics, Security and Protocols (Tokenomics 2020)},
  pages =	{7:1--7:13},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-157-3},
  ISSN =	{2190-6807},
  year =	{2021},
  volume =	{82},
  editor =	{Anceaume, Emmanuelle and Bisi\`{e}re, Christophe and Bouvard, Matthieu and Bramas, Quentin and Casamatta, Catherine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.Tokenomics.2020.7},
  URN =		{urn:nbn:de:0030-drops-135293},
  doi =		{10.4230/OASIcs.Tokenomics.2020.7},
  annote =	{Keywords: String Diagrams, Category Theory, Blockchains}
}