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1

One way you could achieve that is by: Creating a whitelist of addresses that will be the only ones to transfer your local currency Overriding transfer() to restrict transfers from/to users within the whitelist. In any case, you need an external procedure (off-chain) to determine which users belong to your region, or in other words, you need a centralised ...


3

If an Ethereum wallet address was created using MetaMask It doesn't appear so, at least during creation. (You can verify this by watching for network traffic during the creation process.) can the IP address of the wallet's owner be logged or uncovered somehow? By default Metamask uses Infura. When submitting transactions, traffic routed via Infura will ...


-2

ipfs resolve -r /ipns/app.uniswap.org/0x00000000219ab540356cBB839Cbe05303d7705Fa: webhook/0x00000000219ab540356cBB839Cbe05303d7705Fa" under QmNaS1tmxY9WBwv5Mu9oMWnWNvJ2hQKvyu4L2tbg3AWRXV


0

You probably need to define your requirements and explain why you need a backend. If you manage all web3 interactions from the backend, you will also have to manage wallets / private keys, assume transactions costs... and not sure this is what you want. From my perspective: Frontend: You can use web3 (web3.js or ethers.js) to connect to a browser plugin ...


0

It used to be the case that you could submit addresses to MyCrypto (and a couple of other blacklisting services) which would then be used by the EtherAddressLookup Chrome extension to warn you when those addresses were present on a given webpage. I'm unsure if this facility is still in place. Two problems with this: Scammers can create new addresses far ...


2

Just to clear up the non-speculative parts of your question: ...there is no actual decentralized application that you can install and run,... Of the listed wallets, MyCrypto and MyEtherWallet certainly have standalone, non-browser, non-browser-extension packages that you can download and run offline (air-gapped, if you wish), and which will generate you a ...


0

On the Rinkeby network (network id 4) it works. However, token details, such as the tokenid are not displayed. Moreover, the token cannot be moved/transferred.


1

Binance does not have deposit limits for cryptocurrency. Unverified users have a 2 bitcoin per 24-hours withdrawal limit. So 2 Bitcoins worth of ETH, roughly 53.7 ETH at this time.


0

To pay for transactions fees you need unwrapped ether. You can't pay fees with wrapped ether. You need some unwrapped ether to make any transaction.


2

Maybe it is because in Coinbase's web interface when an exchange executes, in reality, there is no interaction at all with related blockchains. the onsite exchange is just happening on Coinbase's database, while withdrawals are the ones that are really being processed on the related blockchain.


0

does 1.8.23 work for today?? i try 1.8.23 but sync stuck, software node is empty. A higher geth version caus error -- Please install the geth version 1.8.23 manually


1

Exchange wallets... (Centralised) exchange wallets may or may not be wallets. They could simply be a database or spreadsheet acting as a ledger to record the balances of the users. When you deposit funds onto a CEX, you pay either into a communal wallet along with everyone else, or into a throwaway wallet that the exchange controls. You don't get a seed ...


0

Another solution to your problem We can also use this method to add wallet in our eth.wallets Points to be look at :- We are taking values of interface and bytecode from another file which is having our contract code compiled in it. hdwalletprovider input your 12 word mnemonic and rinkeby address `const hdwalletprovider=require('truffle-hdwallet-provider');...


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