PizzaBlock

Rankin, Jonathan; Elsden, Chris; Sibbald, Ian; Stevenson, Alan; Vines, John; Speed, Chris

doi:10.1145/3357236.3395568

Cited by 7 publications

(3 citation statements)

References 43 publications

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“…Drawing on well documented examples within HCI that use creative arts-based methods to both decentre the human in design [9,13] as well as engage diverse non-technical citizens in complex futures with technologies such as blockchain [45,52,56], we used fiction, roleplay and games to understand the affordances and implications of emerging technologies that are not yet widespread, explore technology futures beyond participants' lived experience, and ensure that the speculative futuring was grounded in the values, needs and challenges of the real communities with which we were working. These narrative techniques were used to help people understand the implications of the technology and how they might play out in specific situations, interrogating use cases for blockchain that are possible but not yet real and address questions of ethics, values, social interactions and their consequences [8].…”

Section: Our Approachmentioning

confidence: 99%

Algorithmic Food Justice: Co-Designing More-than-Human Blockchain Futures for the Food Commons

Heitlinger

Houston

Taylor

et al. 2021

Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

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The relationships that constitute the global industrial food system tend towards two dominant values that are creating unsustainable social and environmental inequalities. The first is a human-centered perspective on food that privileges humans over all other species.The second is a view of food as a commodity to be traded for maximum economic value, rewarding a small number of shareholders.We present work that explores the unique algorithmic affordances of blockchain to create new types of value exchange and governance in the food system. We describe a project that used roleplay with urban agricultural communities to co-design blockchain-based food futures and explore the conditions for creating a thriving multispecies food commons. We discuss how the project helped rethink algorithmic food justice by reconfiguring more-than-human values and reconfiguring food as more-than-human commons. We also discuss some of the challenges and tensions arising from these explorations.

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Section: Our Approachmentioning

confidence: 99%

Algorithmic Food Justice: Co-Designing More-than-Human Blockchain Futures for the Food Commons

Heitlinger

Houston

Taylor

et al. 2021

Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

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“…A number of artworks have responded to the possibilities of DLT and envisaged radical new artefacts [10,18,38,39,49]. Design workshops have been particularly important, where tangible representations of DLT have been used to scafold participant understanding and facilitate collaboration [43,46], and a role-playing game introduces participants to decentralised identity management networks [54]. Designed artefacts have played an important role in envisaging new futures as part of HCI practice, and have been employed to explore possibilities through drama [52], and empirical study of the lived experience of these artefacts [53,60].…”

Section: Envisioning Distributed Ledgers Technologiesmentioning

confidence: 99%

Enacting the Last Mile: Experiences of Smart Contracts in Courier Deliveries

Tallyn

Revans

Morgan

et al. 2021

Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

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Smart contract systems could change the nature of last-mile delivery for the better through enhanced precision, coordination and accountability. However, technological complexity poses a challenge for end-users participating in the design process, making it hard to explore their experiences and incorporate their perspectives. We describe a case study where technological prototypes create smart contract experiences for professional couriers and receptionists, allowing them to speculate about emerging possibilities, whilst remaining grounded in their current practices. Participants enacted a series of deliveries, choreographed by smart contracts, and their responses were explored in post-experience, one-to-one interviews. Working with professionals to explore the potential impact of smart contract technologies, revealed the systemic webs of value underlying their existing work practices. This has implications for design of such technologies, in which increased automation, efciency and accountability must be delicately balanced with the benefts of sustaining personal values, relationships and agency. CCS CONCEPTS• Human-centered computing → Ubiquitous and mobile computing systems and tools; Empirical studies in HCI; • Applied computing → Transportation.

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“…We also draw on recent work in HCI that has started to move beyond human-centred design, to consider the ways in which the more-than-human (including seeds, birds, trees and soil, but also non-living actors such as sensors and infrastructures) cohabit urban space Smith, Bardzell, & Bardzell, 2017), and are interdependent in food systems (Dolejšová, Wilde, Altarriba Bertran, & Davis, 2020). We build on HCI design research into inclusive and speculative methods for engaging marginalised participants in co-designing for urban futures with emerging technologies (Nissen et al, 2018;Pschetz, Pothong, & Speed, 2019;Rankin et al, 2020). We draw these strands together by presenting a co-design research project that set out to question the role of blockchain technologies in food futures over three workshops at an urban farm in London, UK.…”

Section: Introductionmentioning

confidence: 99%

More-than-Human Computer Interaction for Urban Food Governance

Heitlinger¹,

Houston²,

Choi³

et al. 2022

Routledge Handbook of Urban Food Governance

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Digital technologies such as sensors, blockchain and artificial intelligence are increasingly being used in global food production and consumption, including in urban contexts through the notion of the "smart city". Food governance is addressed through logics of efficiency in supply chains, increasing profits for shareholders of large companies, but doing little to address unsustainable social and environmental inequalities. Human computer interaction (HCI) designers and researchers are increasingly interested in algorithmic governance of smart cities, raising concerns around issues of control, agency, access, and benefit. Against these concerns, some HCI researchers have also started to question a human-centred perspective to designing socio-technical systems, drawing on more-than-human perspectives to consider the interrelations and interdependencies between human and nonhuman others within the food web. In this chapter, we draw these emerging perspectives within HCI together to consider the ways in which new technologies such as blockchain can be used in urban food governance. We present a case study of co-designing futures of algorithmic food governance with grassroots urban communities that account for multispecies actors, labours, and relationships. The project surfaces new possibilities for computation to intervene in urban food governance in ways that are more sustainable and fair.

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PizzaBlock

Cited by 7 publications

References 43 publications

Algorithmic Food Justice: Co-Designing More-than-Human Blockchain Futures for the Food Commons

Algorithmic Food Justice: Co-Designing More-than-Human Blockchain Futures for the Food Commons

Enacting the Last Mile: Experiences of Smart Contracts in Courier Deliveries

More-than-Human Computer Interaction for Urban Food Governance

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