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I tried to build that with ndk toolchains an when i tried to use that got this exception
```java
java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "_Unwind_Backtrace" referenced …
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The sp-core newtype wrapper for a sr25519 keypair ([sr25519::Pair](https://github.com/paritytech/substrate/blob/v3.0.0/primitives/core/src/sr25519.rs#L68)) can now impl Zeroize, as the earlier upgrade…
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In Heptapod by @dvvvsh on Oct 10, 2023, 21:16
I'm running a mac and I installed pypy3 via brew. In running the script I get the error message below. I'm not sure if the issue is with pypy3 or with th…
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- Create account will use the `sr25519`;
- Keep support for `ed25519`, for [session-key](http://wiki.polkadot.network/en/latest/polkadot/learn/keys/#session-key);
- Create account can choose `…
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Error: The WASM interface has not been initialized. Ensure that you wait for the initialization Promise with waitReady() from @polkadot/wasm-crypto (or cryptoWaitReady() from @polkadot/util-crypto) be…
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Looking at this code from `utxo/lib.src`:
```
pub fn sign(
mut self,
utxos: &[TransactionOutput],
index: usize,
pk: &sr25519::Public,
…
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1、use test/test.c to sign
pk, 0xd678b3e00c4238888bbf08dbbe1d7de77c3f1ca1fc71a5a283770f06f7cd1205
sk, 0xa81056d713af1ff17b599e60d287952e89301b5208324a0529b62dc7369c745defc9c8dd67b7c59b201bc164163a89…
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**Github username:** --
**Twitter username:** --
**Submission hash (on-chain):** 0x7c33f383d6971f20867127ee7724290da60618de5178ee4466223ebb1d0e5771
**Severity:** medium
**Description:**
**Descriptio…
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Each participant in the workshop should post two addresses here so I can create the chainspec. For example:
```
ed25519 Grandpa: 5CP1WCyTnhryNUUujVt4Rzew5JXGjNy8Kg3hdTmmBR51xAkT
sr25519 Babe: 5DqD7…
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I was looking for way to derivate public keys from private keys.
Like the implementation .... in the sr25519 binding, GenerateKeypairFromSeed()
Is there something like that, I haven't found an f…