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+---
+layout: fr
+title: "koe: Seraphis Wallet Proof-of-Concept"
+author: koe
+date: 23 February 2022
+amount: 81.4
+milestones:
+  - name: PoC
+    funds: 100% (81.4 XMR)
+    done: 
+    status: unfinished
+payouts:
+---
+
+## Intro
+
+Hi all, after the [completion](https://repo.getmonero.org/monero-project/ccs-proposals/-/merge_requests/256#note_15087) of my previous [Seraphis PoC CCS](https://repo.getmonero.org/monero-project/ccs-proposals/-/merge_requests/256), there are additional tasks I would like to work on. For background on this CCS, please see the links in the previous sentence.
+
+
+## New tasks
+
+These tasks will be implemented in my [seraphis_lib](https://github.com/UkoeHB/monero/tree/seraphis_lib) branch. My ultimate goal is that, once this CCS is complete, I can hand off seraphis_lib to other Monero developers who can start working on/thinking about how to get Seraphis actually used in Monero.
+
+- Build a wallet proof-of-concept that demonstrates all the 'transaction engineering' capabilities and implementation modularity of Seraphis/Jamtis. My goal is to have unit tests representing all the main workflows possible with Seraphis, and all the main wallet implementations necessary (i.e. mock-ups of interfaces that could potentially be developed into full-fledged wallet software).
+- Test out using x25519 for enote ECDH instead of ed25519, which may speed up enote scanning by a non-trivial amount (>10%).
+- Add validation code and plumbing for `tx_extra` fields.
+- Add tx builder plumbing for tx fees.
+- Add multisig tx builders for Seraphis (with unit tests) after the master branch is updated with PR #7877.
+- Miscellaneous code cleanup (mostly update/add comments, cleanup TODOs).
+
+I will also lump all the miscellaneous Monero R&D tasks that I work on into this CCS (e.g. in the last period I did a bunch of review/work on multisig security patches, among other things).
+
+
+## Funding
+
+- Rate: 50 USD + 0.2 XMR
+- Hours: 8 weeks @ 20hr/wk = 160hrs
+- XMR equivalent: 32 + (50\*160)/USD\_EXCHANGE\_RATE XMR
+- USD\_EXCHANGE\_RATE: set from 14-day EMA on a major exchange when merging proposal
+  - 162 USD/XMR at 2100 UTC 02/23/2022 w/ 14-day EMA on Kraken -> 81.4 XMR total
+
+If I require more time, and the community supports it, then I may make another proposal to extend the hours.