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# System prepended metadata

title: Untitled

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## Remaining questions

1. (To BLXMV) For now we are using copy of your code (NFTicket, NFTCert etc.) for interaction with smart contract, could you please clarify when we can expect final NPM packages and be able to change it to dependencies in our code?
2. ![](https://i.imgur.com/kDCoDvH.png)
(To Loic and Kai) We have question about drop function, as you can see at attached screenshot we have two "Drop" options - "Generator" and "Participiant". It is not clear how to generate tickets in this case. In case of generator wallet, do we need to create one ticket with all this data or do we need to create many tickets, according to users count, and then send all this tickets to generator address. And in case of many tickets, we will need to call signing process to each of them, that means that user will have more than one Metamask confirmation, according to user count. And in case of "Participiant", do we need to create ticket for each of them and then send to that address? In this case we will also need to have more than one Metamask confirmation, according to user count. The question is to clarify meaning of this options, and also to confirm that we will have many Metamask confirmations, or maybe it is possible to do it in another way, with one smart contract call
3. ![](https://i.imgur.com/rt9koV6.png)
    (To BLXMV) We have some issues with smart contracts. Sometimes transactions fails with Error: cannot estimate gas; transaction may fail or may require manual gas limit. Now we use the following smart contract addresses on rinkeby: 
    REACT_APP_NFTICKET_ADDR='0x52a95d654Ed71E7c4D47a79D641aE90421B61fE0'
    REACT_APP_NFTCERT_ADDR='0x89BbFD73c3E7Df93E1734053d6d06ebb4904eE0A'
    REACT_APP_NRSERVICE_ADDR='0x6C9Ab93582E0CB1F1Cd496C6097eD90aABf2a0B7'
    Could you please help us with this
4. ![](https://i.imgur.com/tJLV6tl.png)
(To Kai and Loic) Could you please clarify about Default templates. It will be static list, or you will want to be able to change this images?