abdullathedruid

// Sources flattened with hardhat v2.0.8 https://hardhat.org

// File @openzeppelin/contracts/token/ERC20/IERC20.sol@v3.3.0

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {

paulmillr

BLS Signature for Busy People

Summary

• BLS stands for

  • Barreto-Lynn-Scott: BLS12, a Pairing Friendly Elliptic Curve.
  • Boneh-Lynn-Shacham: A Signature Scheme.

• Signature Aggregation

• It is possible to verify n aggregate signatures on the same message with just 2 pairings instead of n+1.

ausfestivus

List of Azure Regions

A list of all the region names and locations for Azure

Creating the list

You can recreate the list anytime using this command:

az account list-locations -o table

WesThorburn

Linux: Compile C++ to WebAssembly and JavaScript using Emscripten and CMake

Download and Install Emscripten

• My preferred installation location is /home/user
• Get the latest sdk: git clone https://github.com/emscripten-core/emsdk.git
• Enter the cloned directory: cd emsdk
• Checkout main: git checkout main
• Install the lastest sdk tools: ./emsdk install latest
• Activate the latest sdk tools: ./emsdk activate latest
• Activate path variables: source ./emsdk_env.sh

holmberd

Setup GitHub repository SSH deploy keys

1. Create GitHub repository in github and save the SSH repository url

2. Init git on server in code directory

• git init

3. Create SSH keys on the server

• ssh-keygen -t rsa -b 4096 -C your@email.here
• Rename the key that doesn't end with .pub to repo-name.deploy.pem

chriseth

// This file is MIT Licensed.
//
// Copyright 2017 Christian Reitwiessner
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF O

jFransham

Achieving warp speed with Rust

Contents:

• Number one optimization tip: don't
• Never optimize blindly
• Don't bother optimizing one-time costs
• Improve your algorithms
• CPU architecture primer
• Keep as much as possible in cache
• Keep as much as possible in registers

gavinandresen

O(1) Block Propagation

The problem

Bitcoin miners want their newly-found blocks to propagate across the network as quickly as possible, because every millisecond of delay increases the chances that another block, found at about the same time, wins the "block race."