Defitax vs rotki

Defitax is a web tool for preparing cryptocurrency transaction data for tax reporting. It calculates cost basis and gains or losses, then produces tax documents. The service is aimed at DeFi traders using liquidity pools, bonding curves, prediction markets, perpetual futures and related activities. It lists support for Bitcoin, Solana, Ethereum, TRON, Base, BNB Chain, Polygon and Arbitrum, with imports from Binance, Coinbase, Kraken, Bybit, OKX, Hyperliquid, MEXC, Orderly, CoinSpot and generic CSV files. Tracking covers Hyperliquid perpetuals, prediction markets, launch platforms, liquidity-pool yields, Jupiter DCA and perpetual positions, bridges and NFTs. Cost-basis choices are FIFO, LIFO, HIFO and Specific ID, applied universally or per wallet. The free plan allows up to 500 transactions and provides a dashboard but no report export. Unlimited costs $199 a year and adds exports, tax forms, multi-jurisdiction support and the AI Tax Agent.

rotki is an open-source, self-hosted portfolio manager, accounting, and analytics tool focused on privacy. It runs locally on Linux, macOS, and Windows, with data stored on the user's device in a SQLCipher database encrypted using 256-bit AES. Exchange connections use read-only API keys processed locally, while blockchain access uses RPC endpoints chosen by the user. The dashboard tracks assets, liabilities, exposure percentages, and changes in net worth. rotki turns on-chain activity into readable events and generates profit-and-loss and tax reports. Listed integrations cover numerous chains, including Ethereum, Bitcoin, Avalanche, Polygon PoS, Arbitrum One, and Base, with early Solana support; the product says it detects and decodes more than 140 DeFi protocols. Premium adds graphs and analytics, advanced staking, higher event limits, decentralized-exchange accounting, and DeFi historical profit-and-loss reporting. It also allows encrypted database backup and synchronization across devices. The Free and Starter plans include up to 1,000 recent events and 10 notes; Starter lists no ETH staking. Supporter is €9 a month, Basic is €25 a month, and Advanced is €45 a month.