Use this tag for questions about the Polkadot blockchain network platform. General questions about Polkadot should be asked at https://substrate.stackexchange.com
Questions tagged [polkadot]
203 questions
0
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1 answer
How do I sweep a Polkadot wallet?
I want move all funds from one wallet to another, without leaving any DOT dust behind. How do I do a "send all" with the Polkadot JS UI?
Swader
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How does Polkadot's VRF achieve randomness to shuffle validators?
Contrary to Ethereum which uses RANDAO (possibly enhanced with VDF), in Polkadot, a verifiable random function (VRF) is used to shuffle validators and select potential block proposers for certain slots. Where does the randomness come from, i.e. how…
Swader
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I am attempting the quick start tutorial and I am at this command "cargo build --release --package node-template-runtime" on this page
https://docs.substrate.io/quick-start/modify-the-runtime/
and I get this error after it completes a bunch of the build.
the current crate is indistinguishable from one of its dependencies: it has the same crate-name pallet_grandpa and was compiled…
user3705775
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- 1
-1
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2 answers
Substrate: How to perform Parachain Runtime Upgrade via Democracy using Chopsticks
I am trying to perform a runtime upgrade using Acala's Chopsticks.
I followed the authorize > enact an upgrade flow for my parachain, and it works.
To produce blocks in local Polkadot, i connected through ws and executed the command:
{ "jsonrpc":…
Jitterbug
- 302
- 1
- 11
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1 answer
How to open localhost:8000 using VPS Ubuntu
hello I need help how to open http://localhost:8000 from my pc. because my project polkadot substrate installed on a VPS Ubuntu, after I try to open IP:8000 it also doesn't work
Images
-1
votes
2 answers
How to create a substraste chain?
I need HELP
I have two major errors in creating my first substraste chain (cf. https://substrate.dev/docs/en/tutorials/create-your-first-substrate-chain/setup)
Error in Installing the Front-End…
-1
votes
1 answer
Substrate Kitties: Module not showing as extrinsic
I am following the Substrate Kitties tutorial. I added a map & compiled. no errors. but when I look for the module in extrinsic app, I don't see it.
I am running the build.sh, then cargo build release, then starting the node after using…
Mahesh
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2 answers
How to create a polka dot texture with linear gradient as background in css?
Here is a gradient background:
body {
background: linear-gradient(to right, red , yellow);
}
and here is the polka dot css:
body {
background-color: #94fcc8;
opacity: 1;
background-image: radial-gradient(#7c7c50 0.9500000000000001px,…
Sam Min Wong
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