On an innovative architecture for digital immunity passports and vaccination certificates

A Critique of Immunity Passports and W3C Decentralized Identifiers

Due to the widespread COVID-19 pandemic, there has been a push for `immunity passports' and even technical proposals. Although the debate about the medical and ethical problems of immunity passports has been widespread, there has been less inspection of the technical foundations of immunity passport schemes. These schemes are envisaged to be used for sharing COVID-19 test and vaccination results in general. The most prominent immunity passport schemes have involved a stack of little-known standards, such as Decentralized Identifiers (DIDs) and Verifiable Credentials (VCs) from the World Wide W…

CoviChain: A Blockchain Based COVID-19 Vaccination Passport

Vaccination passports are being issued by governments around the world in order to open up their travel and hospitality sectors. Civil liberty campaigners on the other hand argue that such mandatory instruments encroach upon our fundamental right to anonymity, freedom of movement, and are a backdoor to issuing "identity documents" to citizens by their governments. In this paper we present a privacy-preserving framework that uses two-factor authentication to create a unique identifier that can be used to locate a person's vaccination record on a blockchain, but does not store any personal infor…

Towards a GDPR-Compliant Blockchain-Based COVID Vaccination Passport

The COVID-19 pandemic has shaken the world and limited work/personal life activities. Besides the loss of human lives and agony faced by humankind, the pandemic has badly hit different sectors economically, including the travel industry. Special arrangements, including COVID test before departure and on arrival, and voluntary quarantine, were enforced to limit the risk of transmission. However, the hope for returning to a normal (pre-COVID) routine relies on the success of the current COVID vaccination drives administered by different countries. To open for tourism and other necessary travel, …

Framework for a DLT Based COVID-19 Passport

Uniquely identifying individuals across the various networks they interact with on a daily basis remains a challenge for the digital world that we live in, and therefore the development of secure and efficient privacy preserving identity mechanisms has become an important field of research. In addition, the popularity of decentralised decision making networks such as Bitcoin has seen a huge interest in making use of distributed ledger technology to store and securely disseminate end user identity credentials. In this paper we describe a mechanism that allows one to store the COVID-19 vaccinati…

Blockchain based digital vaccine passport

Travel has been challenging recently since different nations have implemented varied immigration and travel policies. For the time being, immigration officials want proof of each person's immunity to the virus. A vaccine passport serves as evidence that a person has tested negative for or is immune to a particular virus. In terms of COVID-19, those who hold a vaccine passport will be permitted entry into other nations as long as they can provide proof that they have COVID-19 antibodies from prior infections or from full COVID-19 immunizations. To reduce time and effort spent managing data, the…

SecureVAX：一种基于区块链的安全疫苗护照系统

SecureVAX: A Blockchain-Enabled Secure Vaccine Passport System

针对疫苗护照伪造、数据泄露等问题，提出基于区块链和智能合约的安全疫苗护照系统，结合IPFS存储与以太坊实现安全高效管理。