G06Q 20/3678
E-cash details
Official title: {e-cash details, e.g. blinded, divisible or detecting double spending}
G06Q20/3678 (E-cash details) appears on 1,155 US grants and 1,944 published applications in this corpus.
Search patents in G06Q- Granted patents
- 1,155
- Published applications
- 1,944
- Assignees
- 735
- Inventors
- 3,094
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 21 | 0 |
| 2000 | 13 | 0 |
| 2001 | 4 | 4 |
| 2002 | 10 | 6 |
| 2003 | 6 | 13 |
| 2004 | 2 | 6 |
| 2005 | 5 | 13 |
| 2006 | 12 | 15 |
| 2007 | 11 | 12 |
| 2008 | 10 | 13 |
| 2009 | 10 | 12 |
| 2010 | 13 | 5 |
| 2011 | 16 | 7 |
| 2012 | 15 | 7 |
| 2013 | 5 | 3 |
| 2014 | 3 | 5 |
| 2015 | 5 | 29 |
| 2016 | 3 | 25 |
| 2017 | 14 | 35 |
| 2018 | 10 | 38 |
| 2019 | 21 | 126 |
| 2020 | 52 | 271 |
| 2021 | 96 | 237 |
| 2022 | 160 | 239 |
| 2023 | 156 | 279 |
| 2024 | 177 | 272 |
| 2025 | 170 | 154 |
| 2026 | 107 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selecting a contingent action token6 Oct 2026US 12,756,567 B22BC Innovations, LLC
- Architectures, systems and methods having segregated secure and public functions29 Sep 2026US 12,748,979 B2Milestone Entertainment, LLC
- Dynamic prototype learning framework for non-homophilous graphs29 Sep 2026US 12,748,988 B2Paypal, Inc.
- Phone with integrated cold wallet microchip29 Sep 2026US 12,749,071 B1United Services Automobile Association (USAA)
- DLT-based private business hub system having a paychat platform22 Sep 2026US 12,743,678 B1
- Systems and methods for use of cryptocurrencies in a casino gaming system8 Oct 2026US 2026/0311547 A1LNW Gaming, Inc.
- Method, apparatus, and computer-readable medium for generating a proxy token1 Oct 2026US 2026/0300960 A1Blackbeard Development Group, LLC
- Electronic wallet and accomodation of transaction limits with a central bank digital currency1 Oct 2026US 2026/0300961 A1American Express Travel Related Services Company, Inc.
- Application framework using blockchain-based asset ownership24 Sep 2026US 2026/0289554 A1Nasdaq, Inc.
- Computer-based infrastructure providing an integration engine for digital asset transactions17 Sep 2026US 2026/0278569 A1Mesh Connect, Inc.
Most cited
By later US patents
- Trusted agents for open electronic commerce1,044US 5,557,518 ACitibank, N. A. · 1996
- Electronic-monetary system886US 5,453,601 ACitibank, N. A. · 1995
- System for electronic notification of account activity564US 6,064,990 AInternational Business Machines Corporation · 2000
- Electronic-monetary system537US 5,455,407 ACitibank, N. A. · 1995
- Method and system for effecting financial transactions over a public network without submission of sensitive information476US 6,748,367 B12004