link to blockscout's nft tracker too

Author: austintgriffith

public/content/nft/index.md

@@ -102,6 +102,7 @@ Security issues relating to NFTs are most often related to phishing scams, smart
 
 - [A beginner's guide to NFTs](https://linda.mirror.xyz/df649d61efb92c910464a4e74ae213c4cab150b9cbcc4b7fb6090fc77881a95d) – _Linda Xie, January 2020_
 - [EtherscanNFT tracker](https://etherscan.io/nft-top-contracts)
+- [Blockscout NFT tracker](https://eth.blockscout.com/tokens?type=ERC-721,ERC-1155,ERC-404)
 - [ERC-721 token standard](/developers/docs/standards/tokens/erc-721/)
 - [ERC-1155 token standard](/developers/docs/standards/tokens/erc-1155/)
 - [Popular NFT Apps and Tools](https://www.ethereum-ecosystem.com/blockchains/ethereum/nfts)