If you are a developer interested in the specific technical changes related to
the 2018 launch, see the <ahref="https://forum.blockstack.org/t/blockstack-annual-hard-fork-2018/6518"target="\blank">announcment in the Blockstack forum</a>.
It was each token holder’s responsibility to store their own seed phrase in a
private and secure location. Holders could use their wallet to verify their
holdings and allocations on the genesis block explorer. Beyond that, while in
draft state, token holders were in a lock down period.
## State of the Stacks blockchain V1
The initial block in the Stacks blockchain V1 allocates 1.32 billion
tokens. The launch is the culmination of two year’s hard work across the greater
Blockstack community. With the launch, Stacks tokens unlock for accredited token
holders under a predetermined unlocking schedule. The events on the unlocking
schedule are the same for each investor, **the dates of these events** depend on the
holder's purchase date.
<divclass="uk-alert-success"uk-alert><b>Note:</b> If you are a token holder
and would like to review your unlocking schedule, visit the <a
href="tokenholders.html">For current token holders</a> page in this
documentation.</div>
The genesis block launch makes possible the following interactions:
* Token holders can purchase names and namespaces with the Stacks token. Previously, names and namespaces required the purchaser to hold Bitcoin. Initially, this process relies on the Blockstack command-line interface (CLI).
* Application developers can earn Stacks by building an application on the Blockstack ecosystem.
* Any Stacks tokens held at the time of launch or after remain usable under the Blockstack Core platform.
Finally, in addition to the development of Stacks token, this launch enables