Questions tagged [usdc]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
12 views

Revert error when calling a view function

I'm trying to write some code to get the decimals of a token given its address. I can get the contract ABI from Etherscan, and from there I thought it'd just be a matter of calling decimals(). However,...
1
vote
1answer
28 views

How to send USDC through geth CLI?

I had 100 USDC transferred to a local Ethereum wallet I control. It shows up as a valid token when I view it in Etherscan. I normally use geth CLI for all Ethereum transactions, but I'm not sure how ...
0
votes
1answer
26 views

How do you validate a Token is USDC or any specific Token?

For my usecase I want to check if msg.value, sent to my smart contract, is actually 10 USDC and not any Shitcoin. Is this done with the approve function of ERC20 interface? Because right now I have ...
-1
votes
1answer
29 views

External ERC-20 token implementation into my contract

I want to implement USDC into my contract which is currently using ETH. I know I need to implement ERC20 interface in order to let my contract know which functions it should expect. But how should I ...
0
votes
0answers
25 views

Wallet with Tether and ERC20 networks

I am just starting my research in blockchain development, and after some time surfing in this website, I realized that it would be better if I ask my specific question by myself. I am trying to find ...
1
vote
1answer
253 views

Good Ropsten USDC faucets?

I'm trying to play around with the DyDx Protocol on Ropsten, but to get any further I need to have some USDC in my account. I've had no luck googling for this. There seems to be this website for it, ...
0
votes
0answers
217 views

How do zero fee USD to USDC transfers work?

I believe that Coinbase allows zero fee USD to USDC when you use certain payment methods like bank transfer. It also has zero fee USDC transfer among CB wallets. How is it economically viable for ...
2
votes
1answer
76 views

Why USDC interest rates are so high compared to USD interest rates?

USDC is a stable coin, pegged to USD, so there should be no risk (or very little) from owning some. However, the lending rate for USDC is between 3% and 13%: https://defirate.com/usdc/ Since higher ...
0
votes
1answer
1k views

Usdc bep20 from trust wallet sent to usdc erc20 on metamask

Please, I sent a bep20 usdc from my trust wallet account to an erc20 usdc or something like that on my metamask account since almost 24hr, but it's yet to reflect. Can someone kindly help with some ...
0
votes
0answers
10 views

USDT TRANSFER MADE INTO A USDC WALLET [duplicate]

Can a transfer made into the wrong address wallet be reversed? I transferred funds from USDT to my USDC wallet. What can I do to get this funds back? PLEASE HELP ME.
0
votes
0answers
16 views

How to verify that an address is mine

I transferred usdc to an ethereum address apparently and now am supposed to verify that the address is indeed mine. I see the amount (token) on etherscan but don't know how to claim it. It's asking me ...
0
votes
1answer
53 views

Tokem ERC20 eth accept payament usdt

In my smart contract (in moment erc20), is possible create payment function receive eth I would like to receive usdt (or usdc) and not eth, how could I do it? Thanks
0
votes
1answer
62 views

USDC Transaction "Balance" vs. "Token Balance"

I initiated a transaction to transfer from an AAVE wallet to USDC address which shows as successful. However, I do not see the balanced transferred to my USDC (Coinbase) address. Looking on Etherscan....
2
votes
1answer
415 views

What is the sequence of events when a transaction is made on Uniswap?

I elect to swap 100 UNI for 700 USDC on UniSwap, but with a low gas fee. In 1 hour, the price of 1 UNI has dropped significantly. would the pending transaction still swap for 700 USDC (as long as ...
0
votes
1answer
273 views

Best way to conver ETH to a layer 2 ETH or Wrapped ETH to convert to USDC or USDT?

I have a small amount of ETH ($100) and I want to use uniswap to convert it to USDC or USDT, but the fees of $20-$50 is a bit ridiculous. Is there a layer 2 solution that is WORKING that can convert ...
1
vote
0answers
36 views

How do I make it possible so that my contract will accept USDC tokens [closed]

this will be done as a fee for entry to a raffle. Is this done through interfacing the USDC contract or by interfacing the ERC20 contract?
4
votes
1answer
2k views

How much UNI can I earn if I become a liquidity provider?

Say I have 10 ETH and 1000 USDC and I want to become a liquidity provider on uniswap. How much UNI can I earn per day and month? And as a liquidity provider, do I lose my 10 ETH or USDC as I'm not ...
0
votes
1answer
2k views

Transaction shows up on etherscan and metamask said it was sent, but my token balance is still the same

I made USDC transaction and metamask said it was sent and etherscan also say there was a transaction made as seen below. But my USDC balance is still the same as if it never left my account. And ...