Sir, for the regenesis pls read this article: https://medium.com/starkware/regenesis-starknets-no-sweat-state-reset-e296b12b80ae
which mentions: 
> The impact should not be dramatic, and we’re working to keep it minimal. Nevertheless, some action will be necessary:
> For ERC-20 type assets, we will offer interoperability solutions that make the process seamless from the user’s point of view.
> For more complicated assets such as NFTs and the like, we are aiming to offer building blocks that applications can use to provide seamless migration for their users. E.g., we will provide a tool that allows proving on the new StarkNet that an event was emitted in the old StarkNet. This will allow burning NFTs with metadata in the old StarkNet that can allow minting them to a specific address in the new StarkNet.
> 
As for the details, we will know later when more news is released, so stay tuned to <#994965940187959386>  channel. thank you

_This answer was originally posted on [StarkNet Discord](https://www.newton.so/view?tags=discord)_

Newton

Hello, Starknet will do Final State Reset around Q4 2022.    It means users need to create new wallet address & migrate asset to new wallet.   Old wallet address will be no longer usable after final state reset.     Is this correct?

_This question was originally posted on [StarkNet Discord](https://www.newton.so/view?tags=discord)_

Will StarkNet wallets work after Q4 2022 Final State Reset? Or do I need to create and merge a new wallet?

What libraries are secure to use in the Cairo language? How to know which library is audited? 

What libraries are secure to use in Cairo?

hey! Any idea on why I get this error : `HttpError: Bad Gateway ` from `node_modules/starknet/dist/provider/default.js:217`? I may be rate limited because I am using it inside checkpoint indexer but I doubt because I dont even spam it.

Also got this : `Error: Could not POST from endpoint https://alpha4.starknet.io/feeder_gateway/call_contract?blockNumber=pending: request to https://alpha4.starknet.io/feeder_gateway/call_contract?blockNumber=pending failed, reason: socket hang up`

_This question was originally posted on [StarkNet Discord](https://www.newton.so/view?tags=discord)_

`HttpError: Bad Gateway ` from `node_modules/starknet/dist/ error in StarkNet

Hey! The title sort of summarizes the question. I was wondering if there's any project where I can see an example of how something like `keccak256(abi.encodePacked(var1, var2, var3))`  could be achieved in starknet.

If there were a way to concatenate bytes, I think it wouldn't be too complicated, but such a string would never fit in a felt, and using a struct won't result in the same output.

So yes, my question is if there's an equivalent way to achieve this behavior in cairo.

Equivalent to Solidity's keccak256(abi.encodePacked())?

![img](https://sun9-13.userapi.com/impg/9YrwMdCKAVbgBRKmMdGysFrP3qhbHWBiTNgp3A/64s3EVNAEpE.jpg?size=1158x874&quality=96&sign=f55c859f079b65212bc744b47e7bb7af&type=album)
Is there a plan to get better visibility when a transaction got received but not placed into a block?
For the moment we only know that it is RECEIVED but have no clue if it’s been discarded because of missing constructor params or if it’s just late:

```python
{
	transaction_hash: '0x3d26af3d7a8f17ea28c2a71a250fd8c5dcd162b779051fd36a3bfcd9f130fab',
	actual_fee: undefined,
	status: 'RECEIVED',
	status_data: undefined,
	messages_sent: [],
	events: [],
	l1_origin_message: undefined
}
```

upd: I noticed we are notified when we make an error, but:

1. we don’t know what’s happening between `RECEIVED` and `REJECTED | ACCEPTED_ON_L2`, it’d be nice to be able to monitor a bit more preceisely where’s the transaction in the pipeline

2. the error message is often cryptic and not human readable, ex:

```python
Error: REJECTED: TRANSACTION_FAILED
Error at pc=0:1073:
An ASSERT_EQ instruction failed: 9:6 != 9:5.
```

Is there a way / tool to be able to debug this kind of failed transactions?

A plan to get better visibility when a transaction got received but not placed into a block?

Hey, I have some tokens on my account and would like to send them to another. How to do it in StarkNet.py?

How to send tokens through StarkNet.py?

How do I get the function selector or the hash from the function name in Cairo?


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/627)_

Cairo: Getting function selector

How large can addresses be in Cairo?


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/557)_

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Will StarkNet wallets work after Q4 2022 Final State Reset? Or do I need to create and merge a new wallet?

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