if you are talking about test ETH, pls check 🙂

Hi ser!

L1 goerli faucet
https://goerlifaucet.com/
https://faucets.chain.link/goerli 

L2 goerli faucet
https://faucet.goerli.starknet.io/#

have a nice day

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

Newton

hi,guys

QUESTION, where can i get test tokens?

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

Where can i get test tokens in StarkNet?

I’m having a problem where I’m trying to use a Uint256 in a hint, but I keep getting this error


Here is my code:


`%builtins output range_check`


`﻿`


`from starkware.cairo.common.uint256 import (uint256_add, Uint256,`


 `uint256_mul)`


`from starkware.cairo.common.serialize import serialize_word`


`﻿`


`func main{output_ptr : felt*, range_check_ptr}():`


 `alloc_locals`


 `let num1 = Uint256(20000, 0)`


 `%{print(ids.num1)%}`


 `let num2 = Uint256(low=0,high=7)`


 `let (local mul_low : Uint256, local mul_high : Uint256) = uint256_mul(num1, num2)`


 `serialize_word(mul_high.low)`


`﻿`


 `return ()`


`end`


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/378)_

Cairo error "Expected expression of type 'starkware.cairo.common.uint256.Uint256' to have an address."

Does AA work on Mobile?

---

This question is participating in [Newton Bounties | Incentivized Test Program](https://www.notion.so/Newton-Bounties-Incentivized-Test-Program-94322ad48e7d40a3adcf36f6b26174cd) Every verified valid question gets $10 USDC (mainnet)

Does Account Abstraction work on Mobile?

Hey, I'm curious if uint256 variables are safe to use? They are using 2x128 bits, while a native felt uses only 252 bits. 

Can anyone explain?

Is uint256 math operators like uint256_le safe? Why do I need to use uint256_check?

How can I interact with my contract on Starknet using starknetjs?

any idea on why I randomly get `HttpError: Bad Gateway` from starknet js?

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

Why I randomly get `HttpError: Bad Gateway` from starknet js?

I can't find info on what `vm_enter_scope` does within hints in the cairo-lang repo. Heres an example:
https://github.com/starkware-libs/cairo-lang/blob/d61255f32a7011e9014e1204471103c719cfd5cb/src/starkware/cairo/common/patricia.cairo#L117

Can anyone summarize?

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

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Where can i get test tokens in StarkNet?

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