# Contribuição não tem RCT

Ao conectar seu usuário no App, vá na opção mercado ( imagem do token)

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Vá na opção **"Contribuir"**

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Clique no botão de contribuição

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Insira quantos tokens deseja queimar, caso não tenha saldo, será necessário comprar, bastar clicar no botão para compra.

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Clique em **"Comprar"** tokens de teste

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Insira o valor que deseja gastar com a compra do RCT

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Copie o link que aparece no tutorial, caso ainda não tenha inserido o link do checkout lá no navegador do Metamask

{% embed url="<https://v5-sintrop.netlify.app/checkout>" %}

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Acesse a sua conta no Metamask&#x20;

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ertifique-se que o usuário que está executando a ação é o que está conectado e acesse o navegador do Metamask.

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Abra uma nova aba de pesquisa no navegador, caso ainda não tenha deixado o link do checkout registrado.

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Cole o link que foi copiado no App da Sintrop na busca do navegador

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Se seu usuário não estiver conectado, vá ao perfil com a fotinho no canto superior direito e selecione o usuário correto e conecte (Não esqueça de manter a Rede Sepolia Test Netwok conectada).

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Com o usuário correto conectado clique em sincronizar

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Com o usuário correto conectado, irá aparecer a transação de cadastro para finalizar, clique no botão azul para finalizar, **(CASO VOCÊ NÃO TENHA SEPÓLIA ETH, SOLICITE CLICANDO NO BOTÃO "SOLICITAR ETH" QUE APARECERÁ NESSA MESMA TELA, ACIMA DO ALTERAR SENHA DO APP)**

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Confirme a transação

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Transação bem-sucedida!

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Volte ao app Sintrop e vá em contribuir

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Digite a quantidade de RCT você deseja contribuir, e se preferir deixe uma mensagem descrevendo o motivo da contribuição (essa mensagem aparecerá no feed para toda a comunidade), e clique em contribuir.

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Irá aparecer o tutorial novamente indicando para copiar o link e voltar no checkout no navegador do Metamask

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Acesse o Metamask, vá até o checkout e finalize a transação

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Confirme e o processo será finalizado

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