| Clue | Source | Date |
|---|---|---|
| Scratch on smartphone perhaps found by disaffected yeomen | The Telegraph Toughie | 22 Mar 2023 |
| Bitcoins, e.g | Premier Sunday | 28 Aug 2022 |
| Ethereum or Bitcoin, for example | New York Times | 14 May 2021 |
| Cryptocurrencies and the like | Wall Street Journal | 11 Jul 2020 |
| Cryptocurrency, e.g | Wall Street Journal | 15 Feb 2020 |
| Current type of currency | ||
| Current type of currency | New York Times | 18 Oct 2019 |
| Bitcoin, notably | LA Times Daily | 25 Feb 2019 |
| Bitcoin, notably | The Washington Post | 25 Feb 2019 |
| Bitcoin, notably | ||
| Invisible currency | Universal | 08 Sep 2018 |
| Currency you can't hold | Universal | 27 May 2018 |
| Invisible currency | ||
| Currency you can't hold | ||
| Internet currency | Universal | 21 Nov 2017 |
| Internet currency | ||
| Bitcoin, e.g | New York Times | 20 Jun 2015 |
| Bitcoin, e.g. |