> For the complete documentation index, see [llms.txt](https://help.zke.com/symbol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.zke.com/symbol/key-selfkey.md).

# KEY(Selfkey)

* Issue Time

  2018-01-15
* Total Supply

  5,999,999,954 KEY
* Circulation

  5,304,969,446 KEY
* White paper

  <https://selfkey.org/wp-content/uploads/2017/11/selfkey-whitepaper-en.pdf>
* Website

  <https://selfkey.org/>
* Twitter

  <https://twitter.com/SelfKey>
* Telegram

  <https://t.me/selfkeyfoundation>
* Block Explorer

  <https://cn.etherscan.com/token/0x4cc19356f2d37338b9802aa8e8fc58b0373296e7> <https://ethplorer.io/address/0x4cc19356f2d37338b9802aa8e8fc58b0373296e7> <https://www.yitaifang.com/tokens/0x4cc19356f2d37338b9802aa8e8fc58b0373296e7/>

SelfKey is a cryptocurrency based on a digital identity system that truly allows individuals and companies to control and manage their own digital identities. And immediate access to citizenship and residency investment information, as well as Fintech products, token sales and communications, and more.

SelfKey is an identification system built on an open platform. Key components include: SelfKey Foundation, a non-profit foundation whose charter and governance follow the principle of autonomy, and a technology integration of a free open source identity wallet for the owner. Provides authentic product and market, a JSON-LD (machine-readable) protocol, and connects to third party identity microservices that comply with KYC laws and regulations. As a local token, "KEY" enables the SelfKey ecosystem to exchange value and information in an effective, fully digital and autonomous way.

{% hint style="info" %}
Trade on ZKE Exchange：<https://www.zke.com/&#x20>;

Twitter：<https://twitter.com/ZKE\\_com&#x20>;

Telegram：<https://t.me/ZKEGlobal>

Support: <https://support.zke.com>
{% endhint %}