There was a little hiatus after the snapshot of the KOIN ERC-20 token occurred (31.10.22), the blockchain officially launched (05.11.22), until there was a new trading opportunity for KOIN on MEXC Global (15.12.22).
Source: coingecko
Listing Announcement:
🚨MEXC new listings alert!$KOIN/USDT will list as a spot trading pair in the Innovation Zone at 14:00 on Dec 15 (UTC) @koinosnetwork is a monolithic general purpose blockchain built on a micro service architecture.
— MEXC Global (@MEXC_Global) December 14, 2022
Details: https://t.co/I7TDUIo6wZ#MEXC #Koinos pic.twitter.com/YPRtVe0sWg
Link to the trading pair on MEXC: https://www.mexc.com/exchange/KOIN_USDT
If you had KOIN ERC-20 on Uniswap, you can claim your balance on mainnet at claim.koinos.io.
Community member “motoengineer” has a handy writeup how to claim on medium.com.
There are currently two blockchain explorers available:
Thanks to 
Links
Koinos Website: https://www.koinos.io
Koinos unified whitepaper: Koinos: A free-to-use dApp platform with a provably egalitarian, fast, and fee-less digital currency
Koinos SDK by Roamin:
- Github
- Create your first Koinos smart contract in minutes!,
- Assembly Script smart contracts on the Koinos Blockchain
- Deploy you smart contract to the Koinos blockchain
Community member jga:
- Koilib Github
- Smart Contract Wallet v0.1 for Koinos. It supports multi signatures, account recovery, ability to manage different assets (tokens, NFTs, apps...) with specific keys from one single address.
- Kondor Wallet v 0.4
Forum: THE KOINOS FORUM
Koinos YouTube channel
Koinos Discord
Reddit r/Koinos