Hello everyone!

The Seoul Metro NFT Art Collection is on the Polygon blockchain. this blockchain is much faster than the Ethereum network, and it’s also much cheaper (Polygon gas fees are $0.01 instead of $50+).

However, to buy NFTs on the Polygon blockchain you need to do 3 things:

  1. add the Polygon network to your crypto (e.g. Metamask) wallet https://metamask.io/
  2. “bridge” Ethereum from the Ethereum main network to the Polygon network
  3. “swap” the Ethereum for $MATIC tokens

This might sound confusing, but here’s how it works! it will just take a few minutes.

  1. Add the Polygon network to your Metamask wallet (30 seconds)
    https://docs.polygon.technology/docs/develop/metamask/config-polygon-on-metamask/
  2. “Bridge” ethereum from the main network and swap for Matic (5-10 minutes)
    https://docs.google.com/document/d/12ODQy_mQjfyxLiZ4eMuFmut-woV99uJeRtsAj9X3vPc/edit?usp=sharing

서울 메트로 NFT 아트 콜렉션은 “폴리곤(Polygon)” 블록체인 상에 있습니다. 이더리움 블록체인의 경우 가스비가 비싸기 때문에 폴리곤을 이용하시는 것이 모두에게 훨씬 나아요!

근데!
폴리곤 블록체인을 이용해 NFT를 사려면 3가지 사전에 하실게 있습니다

1. 폴리곤 네트워크를 크립토 지갑(예: Metamask)에 추가해야 합니다. https://metamask.io/

2. 이더리움을 ‘이더리움 메인 네트워크’에서 ‘폴리곤 네트워크’로 보내셔야 합니다.(이걸 브릿지라고 해요.)

3. 이더리움을 폴리곤 토큰($MATIC)으로 바꾸셔야해요 .

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