WORKSHOP ON HETEROGENEOUS TRUST IN DISTRIBUTED SYSTEMS -- HTDS 2023
October 26th, 2023 in Princeton, New Jersey, colocated with AFT.
https://htds-workshop.github.io
OVERVIEW
Many permissionless systems are based on a global, collective
assumption about adversarial behavior – e.g. that less than 50% of
hashing power or staked tokens are adversarial, as in Bitcoin and
Ethereum.
However, other systems, like the XRP ledger, MobileCoin, the Stellar
network, and the Anoma protocol, allow each participant to flexibly
make its own assumptions about failures and adversaries. This
flexibility is useful, for example:
* As a more egalitarian approach than proof-of-work and
proof-of-stake for building permissionless systems, e.g. using
asymmetric, trust-based quorum systems.
* Allowing each validator to choose its own tradeoff between
performance and security by adjusting its quorums.
* For Oracle networks, where users may have different degrees of
trust in different signers.
* As a more inclusive system that allows participants to coexist
constructively, with different (or even incompatible) beliefs and
assumptions.
The design space for heterogeneous-trust systems has attracted the
attention of several research groups, leading to disparate models and
algorithms.
We would like to encourage this work to consolidate and thus move
forward this mathematically interesting and practically important
field. The workshop will bring together researchers interested in
distributed systems based on heterogeneous trust, and help coalesce a
new and active community on topic.
LOCATION AND DATES
The workshop co-located with AFT 2023 (https://aftconf.github.io/aft23/)
and will take place on October 26th, 2023 in Princeton, New Jersey.
The Stellar Development Foundation offers a limited number of travel
grants for graduate students, with priority given to speakers at the
workshop. Please fill out the application form on the website to apply,
indicating in the last question in the form that you are applying for
support to attend this workshop.
SPEAKERS
* David Mazières, Stanford University, USA
* Jamie Gabbay, Heriott-Watt University, UK
* Isaac C. Sheff, Heliax
* Orestis Alpos, University of Bern, Switzerland
* (more to come)
CALL FOR ABSTRACTS
We solicit submissions of talk abstracts and full papers on topics
related to heterogeneous trust in distributed systems, including but
not limited to:
* Mathematical models of heterogeneous trust
* Distributed algorithms under heterogeneous-trust models, including
consensus algorithms
* Descriptions of system designs or implementations based on
heterogeneous trust
* Sybil resilience based on heterogeneous trust
* Peer-to-peer networking based on heterogeneous trust
* Cryptography and multi-party computation under heterogeneous trust
assumptions
* Heterogeneous trust in reconfigurable and dynamic systems
* Social dynamics in heterogeneous trust systems
Talks will be 30 minutes + questions. Submissions can be extended
abstracts (from a few paragraphs to maximum 5 pages) or full papers
(maximum 15 pages) in a format of the author’s choosing. Please send
you submissions to the organizers by email before **September 22nd.**
There will not be any workshop proceedings, but authors of selected
submissions will be invited to submit a paper to a journal special
issue.
ORGANIZERS
* Christian Cachin, University of Bern
* Giuliano Losa, Stellar Development Foundation
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