Questions tagged [qrcode]

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1
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0answers
98 views

Ethereum Qr-code with amount?

How should a qr-code be formated with an amount in it? The npm package ethereum-qr-code uses the following format according to EIP-67: ethereum:0x7cB57B5A97eAbe94205C07890BE4c1aD31E486A8?gas=42000&...
2
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0answers
130 views

“data” field is not working in Ethereum QR Code mobile payment

Recently, I am working on generating an Ethereum QR code that mobile wallet (e.g. imToken) can scan and pay from there. But the problem is that I cannot pass the data value. I use C# code to generate ...
0
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1answer
353 views

Using QR codes for my smart contract

I'm thinking of a service that unconditionally gives out ERC20 based tokens once a user scans a specific QR code that I have created (It may be a random passphrase, address etc...) Is there a way to ...
0
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1answer
61 views

Generate timed transactional deposit wallets

I am looking at developing a service that can take a payment in Eth and return a erc-20 token to their desired address. I want to generate a new address per transactional user. What would be the ...
0
votes
1answer
405 views

QR-Code prefixed or not?

should I put the prefix ethereum: before the address when creating a QR-Code ? When I read a QR-Code generated by https://www.myetherwallet.com, the prefix is missing. But I found conflicting ...
1
vote
1answer
183 views

how do I enable transaction QR codes in the Parity Wallet browser app?

I'm Parity 1.7 installed via Homebrew on MacOS. I cannot see the QR code for signing transactions. How do I enable this feature? Parity//v1.7.0-beta-5f2cabd-20170727/x86_64-macos/rustc1.18.0 I see ...
3
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0answers
161 views

Parity Signer qr code not working, stuck on “Parity Signer: Pending”

I'm having issues with with Parity when trying to do any type of transfer-I get stuck on the "parity signer: pending" screen. The prompt I get is "Please scan the transaction QR on your external ...
6
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1answer
1k views

Jaxx Wallet QR Code shows IBAN and etherscan shows 0 balance

When I scan the QR code from the Jaxx Etherium wallet I get iban:XE482ECP16CJCBQHZ7S844BEK8K1SDOX0HH but it shows my address as 0x1488e397bc44c56d801a6e96217554a0e310ecb5 in the app it shows I ...
6
votes
3answers
1k views

Can any information beside the address be encoded into QR code?

I want to create a contract. I want to generate a QR code to invoke this contract. I want to present this QR code to a user. Is there a way to embed any additional information into the QR code (...