> X.509 certificates have been around for 40 years and have proven to be a trustworthy means of exchanging data. So, what are the differences between X.509 ceritificates and SSI? And what are the advantages of each?
* [resources] [Getting Started with Self Sovereign Identity SSI](https://damienbod.com/2021/03/29/getting-started-with-self-sovereign-identity-ssi/) 2021-03-29
> The blog is my getting started with Self Sovereign identity. I plan to explore developing solutions using Self Sovereign Identities, the different services and evaluate some of the user cases in the next couple of blogs.
* [Bootstrapping a VDR-based Fully Decentralized Object (FDO)/Credential Platform: VON Example](https://hyperonomy.com/2021/07/26/bootstrapping-a-vdr-based-decentralized-credential-object-platform-von-example/) 2021-07-26 Hyperonomy
> What are the common/known strategies for bootstrapping a VDR-based decentralized credential/object platform? …asked naively on purpose. Strategies for placing the first/initial DIDs in the VDR? …presumably purposed to be the initial Issuer(s) of verifiable
* [Challenges to Self-Sovereign Identity](https://damienbod.com/2021/10/11/challenges-to-self-sovereign-identity/) 2021-10-11 Damien Bod
> The article goes through some of the challenges we face when using or implementing identity, authentication and authorization solutions using self sovereign identity. I based my findings after implementing and testing solutions and wallets with the following SSI solution providers: Trinsic MATTR.global Evernym Azure Active Directory Verifiable Credentials Different Wallets like Lissi SSI
* [Video] [Self-Sovereign Identity (SSI) and Open Source – Richard Esplin from SSIMeetup](http://ssimeetup.org/self-sovereign-identity-ssi-open-source-richard-esplin-webinar-16/)
* [IPR - what is it? why does it matter?](https://identitywoman.net/ipr%e2%80%8a-%e2%80%8awhat-is-it-why-does-it-matter/)
> At the time they kept worrying about how they could collaborate and they sensed that they needed to have IPR dealt with, but I couldn’t understand what they were going on about. This small thing delayed them working together for a long time. They literally had to spin up a new organization, get new bylaws developed and get everyone to join and sign off on the IPR regime before they could formally talk together about how to get all work to align and come up with one protocol.
