Research corpusConsensusBLC-STUDY-0131
SpaceMint: A Cryptocurrency Based on Proofs of Space
SpaceMint elects a leader from plots of stored data. The quality of the stored answer, not a hash grind at block time, decides who may extend the chain.
- Official external source only
- Design paper
- Official source
Record
- Authors
- Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak
- Date
- 2015
- Publisher
- Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak
- Version
- Source cited by the 2015 study. The study is the reading. This page does not add a second essay.
- Document ID
- BLC-STUDY-0131
- DOI
- None recorded
- Last reviewed
- 1 October 2026
- Licence
- No licence recorded. Rights status under review.
No hash is published. This build does not store those PDF bytes, so a checksum would be invented. Where a legacy path exists, it points at the Internet Archive copy of the old library.
Direct answer
SpaceMint elects a leader from plots of stored data. The quality of the stored answer, not a hash grind at block time, decides who may extend the chain.
Where to read
- Official source — ePrint 2015/528
- Blockchain Lab study, the canonical readingOriginal commentary. Not a transcription of the paper.
Metadata and commentary only. The reading is the study page.
Full text
Full text is not published on this page. Public availability is not a licence to republish a document. Blockchain Lab has not recorded a licence that permits an HTML transcription, a training set, or a retrieval corpus of the paper. Text on this page is Blockchain Lab's own wording, or a pointer to a study that is also Blockchain Lab's wording.
What changed
A reading of the public paper. Not a copy, not a benchmark, and not a claim about any later network.
Relationships
- Canonical readingSpaceMint study
- Related paperProofs of space
- Related paperBitcoin Backbone
Cite this record
These citations point at the source document. They are not a licence to copy it.
Author–date
Park, S., Kwon, A., Fuchsbauer, G., Gaži, P., Alwen, J., & Pietrzak, K. (2015). SpaceMint: A Cryptocurrency Based on Proofs of Space. Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak. https://eprint.iacr.org/2015/528
BibTeX
@techreport{spacemint2015,
title = {SpaceMint: A Cryptocurrency Based on Proofs of Space},
author = {Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak},
year = {2015},
institution = {Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak},
url = {https://eprint.iacr.org/2015/528},
note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/spacemint}
}RIS
TY - RPRT TI - SpaceMint: A Cryptocurrency Based on Proofs of Space AU - Sunoo Park AU - Albert Kwon AU - Georg Fuchsbauer AU - Peter Gaži AU - Joël Alwen AU - Krzysztof Pietrzak PY - 2015 PB - Sunoo Park, Albert Kwon, Georg Fuchsbauer, Peter Gaži, Joël Alwen and Krzysztof Pietrzak UR - https://eprint.iacr.org/2015/528 N1 - Rights status: Official external source only ER -
CSL-JSON
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"title": "SpaceMint: A Cryptocurrency Based on Proofs of Space",
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]Rights record
- Source status
- Official source
- Use status
- Metadata and commentary only. The reading is the study page.
- Rights
- Official external source only
- Training and retrieval
- Not permitted from this site. There is no rights-cleared full text to retrieve or to train on.