Questions tagged [polkadot]
This topic can be used to discuss the Polkadot protocol and/or its white paper.
13
questions
0
votes
0
answers
57
views
PoSA(Proof of Stake Authority) and NPoS(Nominated Proof of Stake Authority?
The Proof-of-Staked-Authority (PoSA) consensus algorithm is a hybrid between the Proof-of-Staking and Proof-of-Authority consensus mechanism.
Nominated proof of stake, or NPoS, is similar to proof of ...
- 634
0
votes
3
answers
768
views
How to identify whether a coin or token runs on Ethereum?
Hundreds of coins and tokens are listed on coinmarketcap.com, but how can you tell which ones are Ethereum-based or Ethereum-dependent? Hundreds of them obviously are. Is it only through one's own ...
CommunityBot
- 1
1
vote
0
answers
161
views
generate valid address for polkadot and bitcoin and other tokens using web3.js
using below code
const Web3 = require('web3');
const apikey = "b1fdacbb-59ea-4598-96ed-......";
const network = 'testnet'; // Change to mainnet for production
const chainId = 97;...
0
votes
2
answers
118
views
Is it possible to sign an Ethereum transaction when you only have the account address?
I need to sign & verify an message on Ethereum, but my problem is that I only have my account address. When I try to use for instance MyCrypto it requires another type of wallet. I have tried ...
0
votes
1
answer
687
views
Getting error {'error': {'code': -32600, 'message': 'Unsupported JSON-RPC protocol version'}, 'id': 1} when using eth_subscribe
CODE: This is on the EVM chain moonbeam network
from websocket import create_connection
import json
url = 'ws://xx.xx.xx.xx:9944/'
ws = create_connection(url)
ws.send(json.dumps({"id": 1, &...
- 4,744
0
votes
1
answer
280
views
error[E0282]: type annotations needed
While I was building a subsrate node using cargo build I got this error message.
[
How to solve this??
0
votes
1
answer
30
views
I transfered ERC-20 token to the wrong Efinity address [duplicate]
I transfered ERC-20 token to the wrong Efinity(NFT blockchain on Polkadot) address,how to get it back? Someone plz let me know
- 390
0
votes
1
answer
378
views
Can we say Polkadot is a sidechain of Ethereum
There is something i do not understand about Polkadot.
Can we say Polkadot is a sidechain of Ethereum ? Or is it contestant of Ethereum ?
Is it correct to say "Polkadot is not a Layer 2 of ...
- 58
2
votes
1
answer
4k
views
Why isn't Polka Dot listed for trading on Uniswap?
Uniswap is the leading decentralized exchange for many ERC20 tokens. DOT is an example of such a token I'm guessing since it's a self-declared complementary extension of the Ethereum ecosystem, so why ...
- 975
4
votes
1
answer
437
views
LibP2P v DevP2P
Why is are new projects (ETH 2.0, Polkadot (Substrate) ) favouring Libp2p over DevP2P?
I have seen this answer, but it doesnt really drawn strict comparisons.
What is the distinction between libp2p, ...
- 638
11
votes
2
answers
3k
views
What is PolkaDot in layman's terms?
So I was trying to dive into the polkadot paper by Gavin Wood, co-founder of Ethereum and founder of Parity. But it seems to be too advanced for my current level of understanding. In layman's terms ...
- 1
3
votes
0
answers
444
views
How does Polkadot work? [closed]
How does Polkadot enable the integration of different blockchains? What are the core components of that process?. I would like to understand the difference between two way pegging and the Polkadot ...
- 11.5k
8
votes
1
answer
3k
views
How can I create connected multiple blockchains?
I want to create multiple private blockchains over Ethereum testnet, which need to be somehow connected. Is it possible to have a node on private blockchain that is connected to the another node on ...
- 32.6k