zk-PoS implementation DONE!  
  
Testnet 2 getting closer.

Development is ongoing. They expect Testnet 2 to be released between 1 June and 1 August.   

Announcement from the lead dev on 28 April: 

I know the wait has been long.  I know you want a date for testnet2...so here it is... Best case: 1st June.  Worst case: 1st Aug.  I am working flat out.  We are in the final stages of what has been a long, hard slog. 

A crypto-currency written from scratch is no mean feat.  We started with lofty time-frames, and it has taken us longer than we imagined.  But, to our faithful followers... The peak is in sight, the air is getting thin, but I'm going to make it there, I will finish this.  And I'll drag the whole lot of you to the end if I have to. 

All good things come to those who wait.. And wait you have.  But Tangram isn't just good, it is extraordinary.  These are extraordinary times, and we're on the verge of launching a privacy coin like no other. 

C'mon guys, stick with me!   And we'll ride it to the stars.

I just spent a good chunk of time reviewing the past five articles and updates from the Tangram team.  I am really impressed and hopeful for this project. 

Tangram Design: Value Transfer
Breaking down Tangram’s consensus mechanism: Part 1
Development update — 18th April
Breaking down Tangram’s consensus mechanism: Part 2
Development update — 2nd May 
 

Tangram has a lot going for it.  It's miles away from Stone!  Check out the Reddit.  Come hang out at the Discord.

Testnet and test faucet are available now.  

We are still awaiting Alpha 0.9 testnet version.

We are awaiting imminent release of White Paper.  
  
MainNet is now scheduled to begin around the end of February, and the faucet will begin about 2 weeks later.

More info here in this article: https://medium.com/@tangramd/community-fund-dce1c26f29f1.  
  
I am not a dev, just a fan of Tangram.  If you have any questions, you may contact contribute@getsneak.org. But the following has been confirmed by a developer.  

This sale began 4 Nov. As of 1 Jan 2019 it is still open, and will remain open for the time being.  
  
This is how you buy:  

A)  Make/use a bitcoin wallet using a client that lets you sign messages (electrum for instance).
B) Send contributions to the bitcoin address available in the above post by GetSneak:  
https://bitcointalk.org/index.php?topic=3022248.msg47561662#msg47561662
(The address is 3C6DSAJiLdYWpLLzJQgb12RJi45yjeQkXP but check that so that you don't get scammed!)  
C) take note of the transaction hash.
D) Choose "sign message" in your wallet client.  
E) In the message to sign, enter
  1. the date
  2. your e-mail address,
  3. your nickname and ID (depends upon platform.  If you use discord it would be your discord name and discord ID. To get Discord ID, turn on developer mode in Discord settings, left click yourself and choose copy ID – it would be a number like 255543746611335588). I think they would also take Reddit ID or bitcointalk.org ID.  Telegram? who knows!  
  4. The platform where you use that nickname (discord, reddit, bitcointalk.org)  

F) Sign the message so you get a signature string, and verify it if you want.  
G) Send an e-mail to the contributions address contribute@getsneak.org.  Include:  
  1. The transaction hash for your donation.  
  2. The BTC address you sent from.  
  3. the complete message you signed earlier (the previous 4 items) with the signature you got after signing. This proves you own the BTC address that sent the funds.  
  
H) Then later you'll get a confirmation back from the devs.
  
  
====================  
**EDIT: Your email should look something like this:**  

3C6DSAJiLdYWpLLzJQgb12RJi45yjeQkXP  [bitcoin address you sent from]
6459058709bce81d07510d3bdf783a9a9daa03312fab0a32585aa69d5797b1ec [the hash]  
-----BEGIN BITCOIN SIGNED MESSAGE-----  
4th November 2018  
contribute@getsneak.org  [YOUR email]    
sweet_sneak (408611836972498955)  
Discord  
-----BEGIN SIGNATURE-----  
IEmeyAWdzJcB560qVsNjbBMAPmaQQNamoP4U+4HRTy63Nav9QqhyGF7rAVYaDReDPUDrF2rxuaPm/tZT4OcaJc0=  
-----END BITCOIN SIGNED MESSAGE-----  

For those who aren't following closely:

Contributions are currently open and Tangrams are available for US$0.05 each.

On the  Discord there is a lot of anticipation about AlphaNet 0.7.