Your address should be able to be the size of a felt, as addresses are just felts. Do you have any more context?


ㅤ
_This answer was originally posted on [Triality](https://triality.org/question/670)_

How large can addresses be in Cairo?


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/670)_

How large can addresses be in Cairo?

I am currently running this code

```
func main() {

    let x = [ap];
    [ap] = 1, ap++;

    [ap] = 2, ap++;

    [ap] = x, ap++;
    jmp rel -1;  // Jump to the previous instruction.
}

And what is happening is that "x" is alternating between 1 and 2 and I couldn't figure out why.

Also, it wasn't very clear to me what a "Revoked Reference" means. Is it when you cannot access a certain [ap] when running a specific function?

This is the link to the exercise:
https://www.cairo-lang.org/docs/how_cairo_works/consts.html#revoked-references

Revoked References exercise from Cairo-lang

What is an abstract account? Where is the account address derived from? Does the account address also come from the mnemonic and private key?

What is an abstract account? For example: StarkNet Account Abstraction

Say I am calling the following function test. Why can I call with either of these function signatures and get the same result?


`func test{syscall_ptr : felt*}():`


or


`func test{syscall_ptr : felt*, range_check_ptr}():`


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/413)_

Cairo: are builtins always needed to be expressed in function signature?

Hi all, 

Braavos does not seem be injected when running app locally it does work when deployed is there something i should check? 

only difference i can think of is that prod version has SSL/HTTPS and local does not
and i am not using localhost for local version so that could be an issue
but it does works with Argent X on local version

upd: thank you for helping using localhost does solve my issue

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

Braavos does not seem be injected when running app locally it does work when deployed is there something i should check?

hey guys - is there a cheatsheet somewhere will all the most usefull commands? Check logs, check latest version etc?

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

Is there a cheatsheet somewhere will all the most usefull commands

What is the cause of this issue and how do you solve it?


ㅤ
_This question was originally posted on [Triality](https://triality.org/question/581)_

Cairo Error calling function: Expected 'function_name' to be a struct. Found: 'function'.

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

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