kaichen

{
    "ret": [
        {
            "contractRet": "SUCCESS"
        }
    ],
    "signature": [
        "e788847a9b215d40b3abff32fd33724f2089e948273c6597f0431446dc0863437c18163cf8b0a3ab0827eb57a0bbae9fce7daa0ad9dd3c8f0406d55f132b851000"
    ],
    "txID": "78758c5303a49b7b9d010853b8774c55a554b57a26060190e3e338cb70043081",

kaichen

paper 1904.05234 Flash Boys 2.0: Frontrunning, Transaction Reordering, and Consensus Instability in Decentralized Exchanges

flashbots docs

• flashbots/mev-research: Project management for MEV Research
• flashbots/pm: Everything there is to know about Flashbots

on eth research

• https://ethresear.ch/t/mev-auctions-will-kill-ethereum/9060
• https://ethresear.ch/t/flashbots-frontrunning-the-mev-crisis/8251

kaichen

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'

set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-sessionist'
set -g @plugin 'tmux-plugins/tmux-continuum'

# Other examples:
# set -g @plugin 'github_username/plugin_name'

kaichen

{
  "app_state": {
    "accounts": [
      {
        "account_number": "679",
        "address": "cosmos1qqp837a4kvtgplm6uqhdge0zzu6efqgujllfst",
        "coins": [
          {
            "amount": "60091022",
            "denom": "uatom"

kaichen

{
  "actions": [
    {
      "_id": "5c232c16b5035bc1a6dc7585",
      "receipt": {
        "receiver": "luckymearena",
        "act_digest": "f7b0b39cac563a1ab054a192ef017a7d45e34e07a12b49e0ed29bd117f3448ba",
        "global_sequence": 3310712726,
        "recv_sequence": 2827,
        "auth_sequence": [

kaichen

ENS

Home | GitHub | Medium

read

• EIP-137: Ethereum Domain Name Service Specification
• A beginner’s guide to buying an ENS domain

concept

• node, hash content for privacy
• label

kaichen

luxe ens managment

data structure:

mapping(uint=>mapping(address=>bool)) public registrars; // Maps IANA IDs to authorised accounts
mapping(bytes32=>uint) public nonces; // Maps namehashes to domain nonces

keep track mapping of user id and ethereum address, and domain nonce

kaichen

Ethereum 2.0

Including

• Casper
• Sharding
• Beacon Chain

other notes

• ethereum/eth2.0-specs: Ethereum 2.0 Specifications

kaichen

Keybase proof

I hereby claim:

• I am kaichen on github.
• I am kaichen (https://keybase.io/kaichen) on keybase.
• I have a public key ASBjEVXtZDGDQCOWtGTKW_2c8wx41gXbDsXB1ghErZOYGQo

To claim this, I am signing this object:

kaichen

Keybase proof

I hereby claim:

• I am kaichen on github.
• I am kaichen (https://keybase.io/kaichen) on keybase.
• I have a public key ASBjEVXtZDGDQCOWtGTKW_2c8wx41gXbDsXB1ghErZOYGQo

To claim this, I am signing this object: