use € instead of EUR, add a plot

articles/finances.md

@@ -39,26 +39,26 @@ agreeing to all the numbers.
 ## 2018
 
 We started operations in 2018. In late 2017, we got donations (in the form of
-bitcoins) by friends who were convinced of our mission. This was 54,194.91 EUR.
+bitcoins) by friends who were convinced of our mission. This was 54,194.91 €.
 So, in 2018 we started with that money, and tried to find a mission, and
 generate income to sustain our salaries.
 
 Also, already in 2017, we applied for funding from
 [Prototypefund](https://prototypefund.de) on a [CalDAV server](https://prototypefund.de/project/robur-io/),
-and we received the grant in early 2018. This was another 48,500 EUR, paid to
+and we received the grant in early 2018. This was another 48,500 €, paid to
 individuals (due to reasons, Prototype fund can't cash out to the non-profit -
 this put us into some struggle, since we needed some double bookkeeping and
 individuals had to dig into health care etc.).
 
 We also did in the second half of 2018 a security audit for
 [Least Authority](https://leastauthority.com/blog/audits/five-security-audits-for-the-tezos-foundation/)
-(invoicing 19,600 EUR).
+(invoicing 19,600 €).
 
 And later in 2018 we started on what is now called NetHSM with an initial
-design workshop (5,000 EUR).
+design workshop (5,000 €).
 
 And lastly, we started to work on [TLS 1.3](https://datatracker.ietf.org/doc/html/rfc8446)
-funded by Jane Street (via OCaml Labs Consulting). In 2018, we received 12,741.71 EUR
+funded by Jane Street (via OCaml Labs Consulting). In 2018, we received 12,741.71 €
 
 We applied at NLNet for improving the QubesOS firewall developed in MirageOS
 (without success), tried to get the IT security prize in Germany (without
@@ -78,20 +78,20 @@ success), and to DIAL OSC (without success).
 
 We were keen to finish the CalDAV implementation (and start a CardDAV
 implementation), and received some financial support from Tarides for it
-(15,000 EUR).
+(15,000 €).
 
-The TLS 1.3 work continued, we got in total 68,887.53 EUR.
+The TLS 1.3 work continued, we got in total 68,887.53 €.
 
 We also applied to (and got funding from) Prototypefund, once with an [OpenVPN-compatible
 MirageOS unikernel](https://prototypefund.de/en/project/robust-openvpn-client-with-low-use-of-resources/),
 and once with [improving the QubesOS firewall developed as MirageOS unikernel](https://prototypefund.de/project/portable-firewall-fuer-qubesos/).
-This means again twice 48,500 EUR.
+This means again twice 48,500 €.
 
 We also started the implementation work of NetHSM - which still included a lot
-of design work - in total the contract was over 82,500 EUR. In 2019, we invoiced
+of design work - in total the contract was over 82,500 €. In 2019, we invoiced
-Nitrokey in 2019 in total 40,500 EUR.
+Nitrokey in 2019 in total 40,500 €.
 
-We also received a total of 516.48 EUR as donations from source unknown to us.
+We also received a total of 516.48 € as donations from source unknown to us.
 
 We also applied to NLnet with [DNSvizor](https://nlnet.nl/project/Robur/), and
 got a grant, but due to buerocratic reasons they couldn't transfer the money to
@@ -114,18 +114,18 @@ In 2020, we agreed with OCaml Labs Consulting to work on maintenance of OCaml
 packages in the MirageOS ecosystem. This was a contract where at the end of the
 month, we reported on which PRs and issues we spent how much time. For us, this
 was great to have the freedom to work on which OCaml packages we were keen to
-get up to speed. In 2020, we received 45,000 EUR for this maintenance.
+get up to speed. In 2020, we received 45,000 € for this maintenance.
 
-We finished the TLS 1.3 work (18,659.01 EUR)
+We finished the TLS 1.3 work (18,659.01 €)
 
-We continued to work on the NetHSM project, and invoiced 55,500 EUR.
+We continued to work on the NetHSM project, and invoiced 55,500 €.
 
-We received a total of 255 EUR in donations from sources unknown to us.
+We received a total of 255 € in donations from sources unknown to us.
 
 We applied at reset.tech again with DNSvizor, unfortunately without success.
 
 We also applied at [NGI pointer](https://pointer.ngi.eu) to work on reproducible
-builds for MirageOS, and a web frontend. Here we got the grant of 200,000 EUR,
+builds for MirageOS, and a web frontend. Here we got the grant of 200,000 €,
 which we worked on in 2021 and 2022.
 
 | Project   |    Amount |
@@ -143,16 +143,16 @@ how a unikernel is configured: no more compiled-in secrets, but instead using
 boot parameters. We setup the infrastructure for doing daily reproducible
 builds, serving system packages via a package repository, and a
 [web frontend](https://builds.robur.coop) hosting the reproducible builds.
-We received in total 120,000 EUR from NGI Pointer in 2021.
+We received in total 120,000 € from NGI Pointer in 2021.
 
 Our work on NetHSM continued, including the introduction of elliptic curves
 in mirage-crypto (using [fiat](https://github.com/mit-plv/fiat-crypto/)). The
-invoices to Nitrokey summed up to 26,000 EUR in 2021.
+invoices to Nitrokey summed up to 26,000 € in 2021.
 
 We developed in a short timeframe two packages, [u2f](https://github.com/robur-coop/u2f)
 and later [webauthn](https://git.robur.coop/robur/webauthn) for Skolem Labs based
 on [gift economy](https://en.wikipedia.org/wiki/Gift_economy). This resulted in
-donations of 18,976 EUR.
+donations of 18,976 €.
 
 We agreed with [OCSF](https://ocaml-sf.org/) to work on
 [conex](https://github.com/hannesm/conex), which we have not delivered yet
@@ -171,13 +171,13 @@ from the opam-repository.
 
 ## 2022
 
-We finished our NGI pointer project, and received another 80,000 EUR.
+We finished our NGI pointer project, and received another 80,000 €.
 
-We also did some minor maintenance for Nitrokey, and invoiced 4,500 EUR.
+We also did some minor maintenance for Nitrokey, and invoiced 4,500 €.
 
 For Tarides, we started another maintaining MirageOS packages (and continuing
 [our TCP/IP stack](https://github.com/robur-coop/utcp)), and invoiced in
-total 22,500 EUR.
+total 22,500 €.
 
 A grant application for [bob](https://github.com/dinosaure/bob/) was rejected,
 but a grant application for [MirageVPN](https://github.com/robur-coop/miragevpn)
@@ -192,16 +192,16 @@ got accepted. Both at NLnet within the EU NGI project.
 
 ## 2023
 
-We finished the NetHSM project, and had a final invoice over 2,500 EUR.
+We finished the NetHSM project, and had a final invoice over 2,500 €.
 
 We started a collaboration for [semgrep](https://semgrep.dev), porting some of
-their Python code to OCaml. We received in total 37,500 EUR.
+their Python code to OCaml. We received in total 37,500 €.
 
 We continued the MirageOS opam package maintenance and invoiced in total
-89,250 EUR to Tarides.
+89,250 € to Tarides.
 
 A grant application on [MirageVPN](https://nlnet.nl/project/MirageVPN/) got
-accepted (NGI Assure), and we received in total 12,000 EUR for our work on it.
+accepted (NGI Assure), and we received in total 12,000 € for our work on it.
 This is a continuation of our 2019 work funded by Prototypefund.
 
 We also wrote various funding applications, including one for
@@ -219,11 +219,11 @@ We also wrote various funding applications, including one for
 ## 2024
 
 We're still in the middle of it, but so far we continued the Tarides maintenance
-contract (54,937.50 EUR).
+contract (54,937.50 €).
 
-We also finished the MirageVPN work, and received another 45,000 EUR.
+We also finished the MirageVPN work, and received another 45,000 €.
 
-We had a contract with Semgrep again on porting Python code to OCaml and received 18,559.40 EUR.
+We had a contract with Semgrep again on porting Python code to OCaml and received 18,559.40 €.
 
 We again worked on several successful funding applications, one on
 [PTT](https://nlnet.nl/project/PTT/) (NGI Zero Core), a continuation of the
@@ -256,6 +256,8 @@ In a single table, here's our income over the last 5 years.
 |  2024 |  126,371.90 |
 | __Total__ | __1,020,952.54__ |
 
+![Plot of above income table](../images/finances.png)
+
 As you can spot, it varies quite a bit. In some years we have fewer money
 available than in other years.