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Continue to ChatPernambuco busca empresa para desenvolver 'passaporte da vacina' com blockchain https://cointelegraph.com.br/news/pernambuco-seeks-company-to-develop-vaccine-pass-with-blockchain
Pernambuco busca empresa para desenvolver 'passaporte da vacina' com blockchain https://cointelegraph.com.br/news/pernambuco-seeks-company-to-develop-vaccine-pass-with-blockchain