| 2018 |
| BD and CK | Origin, technology, consumer perception, benefit, green, etc. | Research field | Gem industry [135], agricultural industry [137], wood industry [162], and manufacturing industry [138] | Research hotspot | Potential and prospects of blockchain technology [110], application of blockchain technology, trust mechanism of supply chain stakeholders [139, 140], and green supply chain | Research method | Lean approach [92] and operations’ research [141] |
| 2019 |
| BD and CK | Internet, IoT, big data, security, framework, challenges, quick response, user acceptance, integration, supply chain management, etc. | Research field | Cross-border trade industry [147], food service industry [148], sea transportation industry [149], medical industry [150], and automotive industry [151] | Research hotspot | Blockchain and IoT, Internet, big data technology [100], supply chain security [106], supply chain framework [121], quick response and user acceptance [142, 143], and supply chain integration [144–146] | Research method | Mean-variance approach [91] and game [152] |
| 2020 |
| BD and CK | A smart contract, sustainability, risk, uncertainty, privacy, impact assessment, impact, agricultural, industry4.0., etc. | Research field | Agriculture [163, 164], industry 4.0 [165], and smart city industry [166] | Research hotspot | Blockchain and smart contract [104], supply chain traceability [115, 120], lifecycle assessment [153, 154], circulation risk of inferior quality goods [160], and risk of privacy disclosure [156–159] | Research method | Fuzzy analytic network process (ANP)-modified total interpretive structural modelling (TISM) approach [183] |
| 2021 |
| BD and CK | Transparency, health, food, quality, service, competition, coordination, etc. | Research field | Financial industry, pharmaceutical industry, textile industry, and food industry [169–172] | Research hotspot | Supply chain transparency [167, 168], blockchain ensures food supply chain security, data encryption [175–178], privacy computing [179, 180], and coordinate and supply chain competitiveness [181, 182] | Research method | Quantum approximate optimization algorithm [173] and mixed-integer programming model [174] |
|
|