Table 1.

Assessment of different SC resilience strategies and influence of blockchain technology on the resilience approach.

Resiliencestrategies		Approach	Risk prevention/Performance improvement	Influence by application scenario			Supporting source in literature
				A	B	C
Collaboration	Information sharing	Enhance connectivity IT to share information	Signaling potential disruptions, initiate countermeasures	o	++	++	Min (2019); Saberi et al. (2019); Swan (2015)
	Social capital and relational competences	Communication, cooperation, integration of SC partners	Increase risk awareness, build trust (formal & informal)	o	+	+	Hull (2017); Scott et al. (2017); Wang et al., 2019a
	Coopetition	Sharing of demand or resources	Build security and resilience, working for mutual benefit	o	+	++	Li et al. (2018); Lohmer (2019); Wang et al., 2019a
	Contractual agreements	Contracts (long/short term) to enable flexibility, sharing of risks and revenues	Minimize disruption impacts (e.g., supply shortages)	+	+	++	Saberi et al. (2019); Wang et al., 2019a
SC Reengineering	Supply chain network structure/design	Constructing SC networks tailored for resilience	Balancing redundancy, efficiency, vulnerability	+	+	+	Cole et al. (2019); Hull (2017); Ivanov et al. (2019); Saberi et al. (2019)
	Contingency planning	Reactive measures and protocols	Prepare contingency plans	o	++	++	Cole et al. (2019); Ivanov et al. (2019); Saberi et al. (2019)
	Creating redundancy	Use of spare capacity and inventory (e.g., redundant supplier)	Avoid capacity or inventory scarcity due to disruptions	o	o	+	Babich and Hilary (2020); Ivanov et al. (2019); Makhdoom et al., 2019
Agility	Increasing flexibility	Postponement, flexible supply base	Adapt to changing requirements	+	+	++	Ivanov et al. (2019); Kshetri (2018); Li et al. (2018); Wang et al., 2019a
	Increasing visibility	Transparency across the entire SC	Identify threats, react quickly to disruptions of all kinds	o	++	++	Blossey et al. (2019); Ivanov et al. (2019); Petersen et al. (2018); Wang et al., 2019a
	Increasing velocity	Enable rapid adaptation to new conditions	Mitigate the impact of unpredictable disruption	+	+	++	Cole et al. (2019); Ivanov et al. (2019); Kshetri (2018); Saberi et al. (2019); Wang et al., 2019a
Miscellaneous	Risk management culture	Implement and develop SCRM culture	Top management support for efficient SCRM strategies	+	+	+	Ivanov et al. (2019); Kshetri (2018); Saberi et al. (2019)
	Increasing innovativeness	Invent and seek new business models	Diversification, reduce vulnerability	o	+	+	Blossey et al. (2019); Oh and Shong (2017)
	Building logistic capabilities	Increasing delivery speed, reliability, and cost-efficiency	Logistical vulnerabilities in the SC (e.g., delays in transport)	o	+	++	Choi et al. (2019); Cole et al. (2019); Treiblmaier (2018)
	Building security	Protection of the SC (e.g., cyber-security)	Reduction of theft or infiltration	o	+	+	Hull (2017); Li et al. (2018); Makhdoom et al., 2019; Wang et al., 2019a

Scale: --, -, o, +, ++ corresponding to a Likert scale (--: strong negative influence of the blockchain on the efficient application of the resilience strategy, -: negative influence, o: no perceived influence on strategy execution, +: positive influence, and ++: strong positive influence).