{"package_name":"com.github.samotari.paynoway","name":"PayNoWay","summary":"Bitcoin wallet app made to test payment systems against double-spend attacks.","category":"Internet","icon_url":"/api/icon/com.github.samotari.paynoway","latest_version_code":20100,"latest_version_name":"2.1.0","apk_url":"/api/apk/com.github.samotari.paynoway","apk_size":7139562,"apk_sha256":"a1ebc88ece1a313ffcaa5b6b880a316d1a4bcd4ee1bf0073306b50933cbfc19d","source_kind":"fdroid-repo","repo_slug":"fdroid-main","last_updated":1779371403,"release_timestamp":1621728000,"description":"Double-spending is no longer a theoretical possibility but a practical reality. Most of the end-user applications used widely today leave their users vulnerable to being defrauded via double-spend attacks. PayNoWay is a tool that you can use to test the applications that you, or your business, depend on to accept on-chain cryptocurrency payments.\n\nFeatures:\n- Send payment transactions with the same UX flow as other wallet applications.\n- Easily broadcast double-spend transaction after a payment is sent, to return the funds to the internal wallet address.\n- Fetch current network fee rate, or set a custom value.\n- Optionally set automatic broadcasting of double-spend transactions.\n- Control what happens to the payment transaction output - \"Drop it\" or \"Replace with dust\".\n- By default double-spend transactions are broadcast to several web services simultaneously to improve chances of confirmation.\n- Bitcoin mainnet and testnet networks\n- Several address types - Legacy (p2pkh), SegWit backwards compatible, SegWit (bech32).\n- Transaction history view where you can re-broadcast any past transaction, copy to clipboard any transaction as raw hexadecimal, or update any locally stored transaction by fetching it from the configured web service.\n- Statistics dashboard (Payments vs. Double-spends) which shows total number of transactions as well as their total values. Optionally reset the dashboard at any time.\n\nDisclaimers:\n- This app is intended to be used for testing and educational purposes.\n- Please do not use this app to double-spend against merchants without their explicit consent.\n- A successful double-spend is not guaranteed - use at your own risk.\n- You are responsible for creating a backup of your private key(s). Without a backup, if you delete the app or lose your device, your funds will be permanently lost.\n\nPermissions:\n- Camera, flashlight - To scan QR codes that contain an on-chain addresses, payment requests, and optionally a private key (WIF) during configurat","categories":["Internet","Security","Wallet"]}