# Harvest.art > The original NFT and token tax loss harvesting service since 2021. Harvest.art helps cryptocurrency users realize capital losses on worthless or unwanted NFTs and tokens for potential tax benefits. The service has helped thousands of users collectively realize millions of dollars in losses. ## Core Services ### Harvest NFTs & Tokens - URL: https://harvest.art/harvest - Sell unwanted ERC-721 NFTs, ERC-1155 NFTs, and ERC-20 tokens for 1 gwei each - Realize the maximum capital loss for tax purposes - Supports Ethereum, Polygon, Arbitrum, Base, Optimism, and other EVM chains - Batch up to 500 items per transaction - Receive free bid tickets for participation in auctions ### NFT Auctions - URL: https://harvest.art/auctions - 24-hour onchain auctions for NFT bundles - Earn outbid rewards when you get outbid - 100% onchain - fully decentralized - Start auctions by burning bid tickets ### The Barn - URL: https://harvest.art/barn - Browse thousands of harvested NFT collections - Discover rare items among harvested NFTs - Start auctions for collections you're interested in ### Tax Tools - URL: https://harvest.art/tax-tools - Free tax loss calculator - Recommended crypto tax professionals - Educational resources about crypto taxes ## Important Pages - Home: https://harvest.art - Harvest Tool: https://harvest.art/harvest - Auctions: https://harvest.art/auctions - The Barn: https://harvest.art/barn - Blog: https://harvest.art/blog - FAQ: https://harvest.art/faq - Tax Tools: https://harvest.art/tax-tools ## Key Concepts ### Tax Loss Harvesting Tax loss harvesting involves selling assets that have lost value to realize capital losses. These losses can potentially be used to offset capital gains from other investments, depending on jurisdiction and individual tax circumstances. ### How Harvest.art Works 1. Connect a Web3 wallet (supports RainbowKit/WalletConnect compatible wallets) 2. Select unwanted NFTs or tokens from your wallet 3. Sell them to Harvest.art for 1 gwei each (establishing an arms-length transaction) 4. Receive a transaction receipt for tax documentation 5. Items are added to The Barn for others to auction ### Supported Asset Types - ERC-721 NFTs (standard NFTs) - ERC-1155 NFTs (multi-edition NFTs) - ERC-20 Tokens (fungible tokens) ### Supported Blockchains - Ethereum Mainnet - Polygon - Arbitrum - Base - Optimism - Additional EVM-compatible chains ## Social - Twitter/X: @HarvestNFTs (https://twitter.com/HarvestNFTs) ## Disclaimer Harvest.art provides tools and educational content, not personalized tax advice. Tax laws vary by jurisdiction and individual circumstances. Users should consult qualified tax professionals for advice specific to their situation. ## Contact For support or inquiries, reach out via Twitter: @HarvestNFTs