# Circles technical **URL:** https://forum.aboutcircles.com/c/technical-discussion/6.md [Latest](https://forum.aboutcircles.com/latest.md) · [Categories](https://forum.aboutcircles.com/categories.md) --- ## [About the Circles technical category](https://forum.aboutcircles.com/t/about-the-circles-technical-category/14)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 0
--- ## ["failed to accept invitation"](https://forum.aboutcircles.com/t/failed-to-accept-invitation/662)
**Author:** [@Anezka](https://forum.aboutcircles.com/u/Anezka)\ **Replies:** 4\ **Last updated:** [November 7, 2025, 7:49pm UTC](https://forum.aboutcircles.com/t/failed-to-accept-invitation/662 "2025-11-07T19:49:21Z")
Hi future friends. Circles-noob here :slight\_smile: When trying to accept invites, I get “failed to accept invitation”. Both on android and laptop. What do I do? And I have two invitations from people I dont know, how … --- ## [lost  my magic words](https://forum.aboutcircles.com/t/lost-my-magic-words/622)
**Author:** [@fangxia](https://forum.aboutcircles.com/u/fangxia)\ **Replies:** 1\ **Last updated:** [October 25, 2024, 11:48am UTC](https://forum.aboutcircles.com/t/lost-my-magic-words/622 "2024-10-25T11:48:13Z")
Sir,I lost my magic words,how to restore it?my accout is steveny,pls --- ## [Circles Security Review Competition: Join In!](https://forum.aboutcircles.com/t/circles-security-review-competition-join-in/598)
**Author:** [@Ben](https://forum.aboutcircles.com/u/Ben)\ **Replies:** 0\ **Last updated:** [September 10, 2024, 4:16pm UTC](https://forum.aboutcircles.com/t/circles-security-review-competition-join-in/598 "2024-09-10T16:16:39Z")
Hey everyone, Our Circles v2 Security Review Competition is off to a good start! Running until September 19, 2024, there’s still plenty of time to contribute. Check out the competition details here: Web3 Audit Competiti… --- ## [Issuance of Circles over time](https://forum.aboutcircles.com/t/issuance-of-circles-over-time/539)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 0\ **Last updated:** [July 28, 2023, 11:49am UTC](https://forum.aboutcircles.com/t/issuance-of-circles-over-time/539 "2023-07-28T11:49:25Z")
To create a better intuition - here 2 graphs that show the money policy of Circles: First lets look at the (time) Circles balance of a user over time: As a new user joins the system they continuously generate 1 CRC per… --- ## [Discussion on the group currency interface](https://forum.aboutcircles.com/t/discussion-on-the-group-currency-interface/531)
**Author:** [@jaensen](https://forum.aboutcircles.com/u/jaensen)\ **Replies:** 6\ **Last updated:** [July 25, 2023, 10:44pm UTC](https://forum.aboutcircles.com/t/discussion-on-the-group-currency-interface/531 "2023-07-25T22:44:27Z")
As discussed in a meeting with people from BitsPossed, Proof of Humanity, and Gnosis, we want to use this thread to discuss the final design of the Circles Group Currency contract. Here’s my take on the issue: Creating… --- ## [Opening the circles.garden api for external apps](https://forum.aboutcircles.com/t/opening-the-circles-garden-api-for-external-apps/525)
**Author:** [@jaensen](https://forum.aboutcircles.com/u/jaensen)\ **Replies:** 1\ **Last updated:** [June 15, 2023, 11:36am UTC](https://forum.aboutcircles.com/t/opening-the-circles-garden-api-for-external-apps/525 "2023-06-15T11:36:47Z")
Hi! I propose an extension to the Garden API, which enables the external creation of user profiles. This proposal serves as an interim solution until we have implemented a decentralized solution for profiles. It caters … --- ## [Contribute as a developer to circles.garden](https://forum.aboutcircles.com/t/contribute-as-a-developer-to-circles-garden/514)
**Author:** [@ouie](https://forum.aboutcircles.com/u/ouie)\ **Replies:** 0\ **Last updated:** [March 10, 2023, 3:58pm UTC](https://forum.aboutcircles.com/t/contribute-as-a-developer-to-circles-garden/514 "2023-03-10T15:58:54Z")
CirclesUBI is an open source project and we welcome contributions to our codebase! The circles.garden application is maintained and developed by the bitspossessed collective but we always appreciate external contributio… --- ## [Flow for frozen accounts](https://forum.aboutcircles.com/t/flow-for-frozen-accounts/506)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 1\ **Last updated:** [January 14, 2023, 9:11am UTC](https://forum.aboutcircles.com/t/flow-for-frozen-accounts/506 "2023-01-14T09:11:57Z")
If a user does not claim her UBI for 90 days the account gets frozen (more infos here). Unfortunately users are not well informed about this and even worse, if it happens they don’t get informed or any guidance what to … --- ## [Overcoming trust limits](https://forum.aboutcircles.com/t/overcoming-trust-limits/505)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 0\ **Last updated:** [January 7, 2023, 1:01pm UTC](https://forum.aboutcircles.com/t/overcoming-trust-limits/505 "2023-01-07T13:01:00Z")
There is currently a problem in the way transitive transfers and trust limits are implemented. Essentially the ability of a user to accept Circles from people they trust depends on them holding their own Circles. A user … --- ## [Explaining Group Currency](https://forum.aboutcircles.com/t/explaining-group-currency/486)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 1\ **Last updated:** [September 2, 2022, 8:48am UTC](https://forum.aboutcircles.com/t/explaining-group-currency/486 "2022-09-02T08:48:56Z")
Group currency are a powerful new primitive for Circles that allows to combine many individual CRC tokens and combine them into a shared single token. This can be useful to: a) reduce risks to hold CRC as group Circles … --- ## [Conversion from CRC to Time Circles and back](https://forum.aboutcircles.com/t/conversion-from-crc-to-time-circles-and-back/463)
**Author:** [@jaensen](https://forum.aboutcircles.com/u/jaensen)\ **Replies:** 6\ **Last updated:** [July 8, 2022, 9:33am UTC](https://forum.aboutcircles.com/t/conversion-from-crc-to-time-circles-and-back/463 "2022-07-08T09:33:56Z")
Abstract Time Circles (TC) are a time-dependent display unit for Circles. The unit is rooted in the daily UBI payout every user receives in CRC and the fixed inflation rate. It normalizes the daily UBI payout to 24 TC r… --- ## [Necessary Changes to Hub Contract for Support of Group Currencies](https://forum.aboutcircles.com/t/necessary-changes-to-hub-contract-for-support-of-group-currencies/454)
**Author:** [@alculexum](https://forum.aboutcircles.com/u/alculexum)\ **Replies:** 0\ **Last updated:** [March 8, 2022, 2:27pm UTC](https://forum.aboutcircles.com/t/necessary-changes-to-hub-contract-for-support-of-group-currencies/454 "2022-03-08T14:27:44Z")
I am wondering about different implementation options for the GroupCurrencyToken (GCT). As it is used in the prototype, the GCT initiates the token transfer from the sender to itself (or some other storage) and then, in … --- ## [Suggestion for group currencies](https://forum.aboutcircles.com/t/suggestion-for-group-currencies/410)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 4\ **Last updated:** [October 19, 2021, 5:22pm UTC](https://forum.aboutcircles.com/t/suggestion-for-group-currencies/410 "2021-10-19T17:22:55Z")
Here is an implementation suggestion for group currencies. Textual description: A group currency would define a number of individual Circles tokens directly or transitively (all accounts trusted by account X) as member… --- ## [Use Gnosis Safe as Circles Wallet](https://forum.aboutcircles.com/t/use-gnosis-safe-as-circles-wallet/338)
**Author:** [@alculexum](https://forum.aboutcircles.com/u/alculexum)\ **Replies:** 13\ **Last updated:** [April 21, 2021, 3:47am UTC](https://forum.aboutcircles.com/t/use-gnosis-safe-as-circles-wallet/338 "2021-04-21T03:47:02Z")
Circles comes with circles.garden as a web wallet for Circles (CRC Tokens). Internally, during the setup, a smart contract is deployed as a multisignature wallet. This smart contract is a Gnosis Safe contract, therefore … --- ## [List of mechanisms to solve sybil attacks](https://forum.aboutcircles.com/t/list-of-mechanisms-to-solve-sybil-attacks/15)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 18\ **Last updated:** [April 5, 2021, 1:29pm UTC](https://forum.aboutcircles.com/t/list-of-mechanisms-to-solve-sybil-attacks/15 "2021-04-05T13:29:00Z")
proof of video meeting: https://www.reddit.com/r/ethereum/comments/3bz8uv/facial\_recognition\_as\_part\_of\_identityantisybil/ potential implementation here: time stamped selfie: http://barisser.com/2015/10/consensus-an… --- ## [Technical overview of circles.garden](https://forum.aboutcircles.com/t/technical-overview-of-circles-garden/333)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 3\ **Last updated:** [March 19, 2021, 2:01pm UTC](https://forum.aboutcircles.com/t/technical-overview-of-circles-garden/333 "2021-03-19T14:01:09Z")
When we talk about Circles we need to separate between the core protocol (basically everything that happens on the blockchain) and a specific frontend/ wallet. Currently the only frontend for Circles is circles.garden -… --- ## [Help funding the relayer](https://forum.aboutcircles.com/t/help-funding-the-relayer/343)
**Author:** [@johanbove](https://forum.aboutcircles.com/u/johanbove)\ **Replies:** 2\ **Last updated:** [November 19, 2020, 3:41pm UTC](https://forum.aboutcircles.com/t/help-funding-the-relayer/343 "2020-11-19T15:41:08Z")
Why isn’t this article by Sarah Friend more prominently visible? --- ## [Mint CRC without Relay Service](https://forum.aboutcircles.com/t/mint-crc-without-relay-service/340)
**Author:** [@alculexum](https://forum.aboutcircles.com/u/alculexum)\ **Replies:** 3\ **Last updated:** [November 15, 2020, 1:44pm UTC](https://forum.aboutcircles.com/t/mint-crc-without-relay-service/340 "2020-11-15T13:44:44Z")
As the Relay Service is sometimes flaky, this guide shows how to mint UBI CRC directly by calling the smart contract from Remix IDE. Step-by-Step UBI Minting Note: For this to work you have to have xDai (less than $1) l… --- ## [Request for Comments: Spanish Translation of the Whitepaper](https://forum.aboutcircles.com/t/request-for-comments-spanish-translation-of-the-whitepaper/323)
**Author:** [@fabian](https://forum.aboutcircles.com/u/fabian)\ **Replies:** 0\ **Last updated:** [October 20, 2020, 12:12am UTC](https://forum.aboutcircles.com/t/request-for-comments-spanish-translation-of-the-whitepaper/323 "2020-10-20T00:12:38Z")
Protocolo Circles Un sistema de cambio local descentralizado con renta básica universal basado en fichas individuales https://circlesprotocol.org Abstracto Proponemos un nuevo sistema de cambio local descentralizado ll… --- ## [Wishlist for the Circles app](https://forum.aboutcircles.com/t/wishlist-for-the-circles-app/307)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 2\ **Last updated:** [April 9, 2020, 8:13am UTC](https://forum.aboutcircles.com/t/wishlist-for-the-circles-app/307 "2020-04-09T08:13:46Z")
For context, here the intro post from the Rocket chat. \*Dear all \* The last two days have been 2 big days for the Circles project. For the first time we shared publicly a test version of the first implementation of Cir… --- ## [Problems with groups and a possible fix and implementation](https://forum.aboutcircles.com/t/problems-with-groups-and-a-possible-fix-and-implementation/298)
**Author:** [@fifi](https://forum.aboutcircles.com/u/fifi)\ **Replies:** 1\ **Last updated:** [November 16, 2017, 9:06pm UTC](https://forum.aboutcircles.com/t/problems-with-groups-and-a-possible-fix-and-implementation/298 "2017-11-16T21:06:11Z")
Hi! I wanted to create a simple but working implementation of circles, and thought that for people to want to use it, it should be as easy to use as possible. I found that groups make things complicated because: -Eve… --- ## [Combining Growthrate and TransactionFees to fund a sufficient basic income](https://forum.aboutcircles.com/t/combining-growthrate-and-transactionfees-to-fund-a-sufficient-basic-income/246)
**Author:** [@samuel](https://forum.aboutcircles.com/u/samuel)\ **Replies:** 1\ **Last updated:** [August 4, 2017, 11:45am UTC](https://forum.aboutcircles.com/t/combining-growthrate-and-transactionfees-to-fund-a-sufficient-basic-income/246 "2017-08-04T11:45:08Z")
I have prepared an calc-sheet comparing different markets and tools on financing a sufficient global basic income. Lets pretend the global market had already today implemented a basic income for all 7.5 Billion people. … --- ## [Why should you use or mine Circles?](https://forum.aboutcircles.com/t/why-should-you-use-or-mine-circles/201)
**Author:** [@SOX](https://forum.aboutcircles.com/u/SOX)\ **Replies:** 2\ **Last updated:** [December 2, 2016, 3:48pm UTC](https://forum.aboutcircles.com/t/why-should-you-use-or-mine-circles/201 "2016-12-02T15:48:40Z")
I don't know, what are the benefits of using Circles. Sure there is the basic income aspect, but will it be enough? Or which are the other aspects? And why should someone invest mining power into Circles? Here are ju… --- ## [Code of Circles](https://forum.aboutcircles.com/t/code-of-circles/23)
**Author:** [@martin\_koeppelmann](https://forum.aboutcircles.com/u/martin_koeppelmann)\ **Replies:** 1\ **Last updated:** [November 13, 2015, 1:44pm UTC](https://forum.aboutcircles.com/t/code-of-circles/23 "2015-11-13T13:44:04Z")
I am currently implementing Circles with Solidity on top of Ethereum. I hope I can publish a first version within the next two weeks. The big advantage of ethereum is that this would mean at the same time that the sys… --- ## [Potential problems with trust](https://forum.aboutcircles.com/t/potential-problems-with-trust/28)
**Author:** [@Peter\_Ciccolo](https://forum.aboutcircles.com/u/Peter_Ciccolo)\ **Replies:** 2\ **Last updated:** [August 4, 2015, 7:16am UTC](https://forum.aboutcircles.com/t/potential-problems-with-trust/28 "2015-08-04T07:16:44Z")
Circles is very exciting. Some variant of the web of trust approach seems like the most promising way to protect against Sybil attacks. I'm worried that there are a couple potentially bad incentives in the system as writ…