> For the complete documentation index, see [llms.txt](https://whitepaper.ivault.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.ivault.io/portuguese/o-app-ivault/recursos-principais/1.-justo-e-transparente-mercado-de-igual-para-igual/1.3-certificacao-de-confianca-saiba-o-que-esta-pedindo-emprestado.md).

# 1.3 Certificação de confiança: saiba o que está pedindo emprestado

Para aumentar a confiança, os usuários podem validar seus itens com diferentes níveis de certificados de confiança. Isso inclui o registro de uma imagem do item quando o documentam na blockchain. Quanto mais provas fornecidas, maior será o nível de certificação de confiança:

* **Bronze:** concedido por uma foto nítida do item
* **Prata:** exibe o usuário com o item
* **Ouro:** exibe o usuário com o item, além de um comprovante, para garantir autenticidade.


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