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ToolsJiang, N. and Dogan, H., 2018. TAPCHA: An Invisible CAPTCHA Scheme. In: 32nd International BCS Human Computer Interaction Conference, Interactions Gallery, 2-5 July 2018, Belfast.
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Abstract
TAPCHA is a universal CAPTCHA scheme designed for touch-enabled smart devices such as smartphones, tablets and smartwatches. The main difference between TAPCHA and other CAPTCHA schemes is that TAPCHA retains its security by making the CAPTCHA test ‘invisible’ for the bot. It then utilises context effects to maintain the readability of the instruction for human users which eventually guarantees the usability of the scheme. Two reference designs, namely TAPCHA SHAPE & SHADE and TAPCHA MULTI are developed to demonstrate the use of this scheme.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | CAPTCHAs; Smart devices; Smartphones; TAPCHA; Usability; Security; Context effect |
| Group: | Faculty of Science & Technology |
| ID Code: | 30953 |
| Deposited By: | Symplectic RT2 |
| Deposited On: | 09 Jul 2018 08:58 |
| Last Modified: | 14 Mar 2022 14:11 |
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