# Protocol **URL:** https://forum.celo.org/c/protocol/13.md?page=4 [Latest](https://forum.celo.org/latest.md) · [Categories](https://forum.celo.org/categories.md) · [Tags](https://forum.celo.org/tags.md) **Page:** 5 --- ## [TLS For Attestation Service](https://forum.celo.org/t/tls-for-attestation-service/649)
**Author:** [@Yaz](https://forum.celo.org/u/Yaz)\ **Replies:** 0\ **Last updated:** [October 28, 2020, 7:39pm UTC](https://forum.celo.org/t/tls-for-attestation-service/649 "2020-10-28T19:39:09Z")
Because of an Android security policy around non-TLS traffic, all Valora requests to attestation services are currently being routed via a proxy operated by cLabs. To eliminate this unnecessary hop and single point of fa… --- ## [CIP20 - Extensible Hash Function Precompile](https://forum.celo.org/t/cip20-extensible-hash-function-precompile/675)
**Author:** [@prestwich](https://forum.celo.org/u/prestwich)\ **Replies:** 3\ **Last updated:** [November 30, 2020, 9:56pm UTC](https://forum.celo.org/t/cip20-extensible-hash-function-precompile/675 "2020-11-30T21:56:01Z")
Discussion thread for CIP20. The goal is to provide access to some common cryptographic hash functions. We do that by adding them all to a single precompile. Any specific questions? :slight\_smile: --- ## [Question Related to development of celo?](https://forum.celo.org/t/question-related-to-development-of-celo/653)
**Author:** [@MonetDigital](https://forum.celo.org/u/MonetDigital)\ **Replies:** 0\ **Last updated:** [October 29, 2020, 11:01am UTC](https://forum.celo.org/t/question-related-to-development-of-celo/653 "2020-10-29T11:01:46Z")
Hello EveryOne, Hope you all are fine and doing well I am a developer and new on the celo want to know that how can we execute the code which is provided on the git hub link on celo website. If any developer here who im… --- ## [Attestation Service v1.1.0 Updates](https://forum.celo.org/t/attestation-service-v1-1-0-updates/650)
**Author:** [@Yaz](https://forum.celo.org/u/Yaz)\ **Replies:** 0\ **Last updated:** [October 28, 2020, 7:40pm UTC](https://forum.celo.org/t/attestation-service-v1-1-0-updates/650 "2020-10-28T19:40:15Z")
This forum post will highlight all the new changes happening in the Attestation Service and the timeline to upgrade your attestation service version for both Baklava and Celo Mainnet. Attestation Service 1.0.5 ready for… --- ## [Celo Foundation Voting Program applications are open for Cohort 5](https://forum.celo.org/t/celo-foundation-voting-program-applications-are-open-for-cohort-5/608)
**Author:** [@pranay](https://forum.celo.org/u/pranay)\ **Replies:** 0\ **Last updated:** [September 22, 2020, 8:09pm UTC](https://forum.celo.org/t/celo-foundation-voting-program-applications-are-open-for-cohort-5/608 "2020-09-22T20:09:26Z")
Hello Validators! Applications for the Celo Foundation Voting Program are now open for Cohort 5! :loudspeaker: To encourage financial inclusion and the participation of secure, reliable validators, the Celo Foundation … --- ## [How to run parity full node for celo blockchain?](https://forum.celo.org/t/how-to-run-parity-full-node-for-celo-blockchain/390)
**Author:** [@Aleksey](https://forum.celo.org/u/Aleksey)\ **Replies:** 0\ **Last updated:** [March 16, 2020, 1:01pm UTC](https://forum.celo.org/t/how-to-run-parity-full-node-for-celo-blockchain/390 "2020-03-16T13:01:57Z")
Is there any way to run parity as a full node of celo? As i understand, celo now have only geth support. What are the plans for parity? Regards Aleksey --- ## [One proxy node limitation](https://forum.celo.org/t/one-proxy-node-limitation/290)
**Author:** [@ztake](https://forum.celo.org/u/ztake)\ **Replies:** 1\ **Last updated:** [February 4, 2020, 3:46am UTC](https://forum.celo.org/t/one-proxy-node-limitation/290 "2020-02-04T03:46:49Z")
As of now, we can only connect a validator node to one proxy node. Is it or would it be possible to use a load balancer connected to multiple proxies instead? --- ## [Discord monitoring bot for validators](https://forum.celo.org/t/discord-monitoring-bot-for-validators/220)
**Author:** [@sigmoid](https://forum.celo.org/u/sigmoid)\ **Replies:** 0\ **Last updated:** [December 10, 2019, 6:47am UTC](https://forum.celo.org/t/discord-monitoring-bot-for-validators/220 "2019-12-10T06:47:36Z")
Hi Everyone, we sharing our ad hoc monitoring script for you. we have used it for the last few days. feel free use it. (can get alert via discord ;-)) --- ## [What cellphone number standard or format is currently using Celo?](https://forum.celo.org/t/what-cellphone-number-standard-or-format-is-currently-using-celo/218)
**Author:** [@matiabn](https://forum.celo.org/u/matiabn)\ **Replies:** 1\ **Last updated:** [December 9, 2019, 10:05pm UTC](https://forum.celo.org/t/what-cellphone-number-standard-or-format-is-currently-using-celo/218 "2019-12-09T22:05:54Z")
Hi guys! Is Celo using any cellphone number standard or specific format? Thanks! --- ## [LoveCelo Brasil - Validator Group in Brazil](https://forum.celo.org/t/lovecelo-brasil-validator-group-in-brazil/193)
**Author:** [@edlovecrypto](https://forum.celo.org/u/edlovecrypto)\ **Replies:** 0\ **Last updated:** [November 30, 2019, 10:49am UTC](https://forum.celo.org/t/lovecelo-brasil-validator-group-in-brazil/193 "2019-11-30T10:49:51Z")
Hi. We are going to create a Validator Group called “LoveCelo Brasil”, managed by the team behind Lovecrypto . Are you from Brazil? Connect to us and/or Stake with us! --- ## ["unauthorized access" error](https://forum.celo.org/t/unauthorized-access-error/180)
**Author:** [@mbay2002](https://forum.celo.org/u/mbay2002)\ **Replies:** 0\ **Last updated:** [November 27, 2019, 12:00am UTC](https://forum.celo.org/t/unauthorized-access-error/180 "2019-11-27T00:00:24Z")
I have not restarted my validator, and it had been running fine for the last several days, but today I started seeing this: INFO \[11-26|04:33:14.004\] Commit new mining work number=520929 sealhash=256df… --- ## [How does the celo protocol hold bitcoin in its reserve?](https://forum.celo.org/t/how-does-the-celo-protocol-hold-bitcoin-in-its-reserve/174)
**Author:** [@Koen](https://forum.celo.org/u/Koen)\ **Replies:** 0\ **Last updated:** [November 26, 2019, 5:44pm UTC](https://forum.celo.org/t/how-does-the-celo-protocol-hold-bitcoin-in-its-reserve/174 "2019-11-26T17:44:24Z")
How does the celo protocol hold the bitcoin. ether or other crypto assets (which are not celo protocol tokens)? --- ## [Where can I find the celo roadmap?](https://forum.celo.org/t/where-can-i-find-the-celo-roadmap/154)
**Author:** [@Koen](https://forum.celo.org/u/Koen)\ **Replies:** 1\ **Last updated:** [November 20, 2019, 3:59pm UTC](https://forum.celo.org/t/where-can-i-find-the-celo-roadmap/154 "2019-11-20T15:59:53Z")
Where can I find an overview roadmap with milestones and date estimates? --- ## [Good qualities for a node manager to run a Validator / Full Node](https://forum.celo.org/t/good-qualities-for-a-node-manager-to-run-a-validator-full-node/139)
**Author:** [@edlovecrypto](https://forum.celo.org/u/edlovecrypto)\ **Replies:** 1\ **Last updated:** [November 11, 2019, 11:01pm UTC](https://forum.celo.org/t/good-qualities-for-a-node-manager-to-run-a-validator-full-node/139 "2019-11-11T23:01:54Z")
We are going to add a person to our team just to deal with the opportunity of the Great Celo Stake Off. What are the ideal qualities (technical and psychological) that a new Node Manager must have? What are the onl… --- ## [Contract Deploy](https://forum.celo.org/t/contract-deploy/129)
**Author:** [@mitchndeu](https://forum.celo.org/u/mitchndeu)\ **Replies:** 0\ **Last updated:** [November 2, 2019, 6:28pm UTC](https://forum.celo.org/t/contract-deploy/129 "2019-11-02T18:28:42Z")
Where I can find some information about deploy celo contracts? --- ## [Celocli cmd error](https://forum.celo.org/t/celocli-cmd-error/122)
**Author:** [@nodeasy123](https://forum.celo.org/u/nodeasy123)\ **Replies:** 2\ **Last updated:** [November 1, 2019, 1:55am UTC](https://forum.celo.org/t/celocli-cmd-error/122 "2019-11-01T01:55:55Z")
system: ubuntu 18 install celocli info: apt-get install -y npm npm config set user 0 npm config set unsafe-perm true npm install -g npm npm -g install n n stable npm install -g @celo/celocli use cmd: celocli ac… --- ## [Problem setting up Full node/Validator](https://forum.celo.org/t/problem-setting-up-full-node-validator/106)
**Author:** [@samfang](https://forum.celo.org/u/samfang)\ **Replies:** 0\ **Last updated:** [September 30, 2019, 8:17am UTC](https://forum.celo.org/t/problem-setting-up-full-node-validator/106 "2019-09-30T08:17:06Z")
Hi, I am having issue with the following command to create an account: docker run -v pwd:/root/.celo -it us.gcr.io/celo-testnet/celo-node:alfajores account new The error I receive is “Unable to find image ‘us.gcr.io/c… --- ## [In WP, the part of "4.3 Increasing user base ..."](https://forum.celo.org/t/in-wp-the-part-of-4-3-increasing-user-base/104)
**Author:** [@Brian.K](https://forum.celo.org/u/Brian.K)\ **Replies:** 2\ **Last updated:** [September 24, 2019, 9:13am UTC](https://forum.celo.org/t/in-wp-the-part-of-4-3-increasing-user-base/104 "2019-09-24T09:13:55Z")
“One can even imagine a scenario in which these block rewards are issued by waiving transaction fees for a certain number of transactions in the stable currency per unit time, implemented through part of the block rewa… --- ## [Celo AMA with Staking Hub](https://forum.celo.org/t/celo-ama-with-staking-hub/97)
**Author:** [@Gavin](https://forum.celo.org/u/Gavin)\ **Replies:** 0\ **Last updated:** [September 18, 2019, 1:13am UTC](https://forum.celo.org/t/celo-ama-with-staking-hub/97 "2019-09-18T01:13:36Z")
Hey all! We’re hosting a Celo AMA on Thursday. Join us to chat about staking on Celo :slight\_smile: --- ## [Setting up a Validator FAQ](https://forum.celo.org/t/setting-up-a-validator-faq/90)
**Author:** [@claire](https://forum.celo.org/u/claire)\ **Replies:** 0\ **Last updated:** [September 10, 2019, 11:08am UTC](https://forum.celo.org/t/setting-up-a-validator-faq/90 "2019-09-10T11:08:41Z")
When I run $ docker run -vpwd:/root/.celo -it us.gcr.io/celo-testnet/celo-node:alfajores account new, I get the following error: Fatal: Failed to read passphrase: liner: function not supported in this terminal This is … --- ## [Need some help getting started on Full Node](https://forum.celo.org/t/need-some-help-getting-started-on-full-node/71)
**Author:** [@q846hy](https://forum.celo.org/u/q846hy)\ **Replies:** 9\ **Last updated:** [August 9, 2019, 2:43am UTC](https://forum.celo.org/t/need-some-help-getting-started-on-full-node/71 "2019-08-09T02:43:22Z")
Hi, I’m bit of a newbie and want to learn how to run a blockchain node. In less than 10 minutes I was able to get it running on spinned up Ubuntu server 18.04.2 LTS on digital ocean. but I’m not sure if the celo block… --- ## [Android benchmarks](https://forum.celo.org/t/android-benchmarks/62)
**Author:** [@kobigurk](https://forum.celo.org/u/kobigurk)\ **Replies:** 0\ **Last updated:** [July 25, 2019, 5:14pm UTC](https://forum.celo.org/t/android-benchmarks/62 "2019-07-25T17:14:59Z")
Hello everyone! I’m Kobi, and I’m working on improving the Ultralight Client Sync. Ultralight Client Sync which is our method of a fast synchronization method for light clients, used by, for example, our mobile apps. W… --- ## [Full Node - Australia](https://forum.celo.org/t/full-node-australia/48)
**Author:** [@pkrasam](https://forum.celo.org/u/pkrasam)\ **Replies:** 3\ **Last updated:** [July 22, 2019, 9:15am UTC](https://forum.celo.org/t/full-node-australia/48 "2019-07-22T09:15:33Z")
Managed to get a celo Full Node up and running …next step is to make it a Validator. Is there a telemetry to find other online Full Nodes --- ## [Validator Node - Australia](https://forum.celo.org/t/validator-node-australia/49)
**Author:** [@pkrasam](https://forum.celo.org/u/pkrasam)\ **Replies:** 1\ **Last updated:** [July 17, 2019, 7:59pm UTC](https://forum.celo.org/t/validator-node-australia/49 "2019-07-17T19:59:58Z")
Managed to get a celo Validator Node up and running. But running into errors when Running for Election $ celocli validator:register --id \ --name \ --url \