Guardtime's tech uses hash function cryptography to protect data integrity, and its products are finding a foothold in the US and China.
Inside Estonia, the former Soviet republic that's forging ahead in the online world.
Kalev Aasmäe is a technology and economics journalist, who also writes for the oldest and largest quality newspaper in Estonia, Postimees.
The EU needs to be more self-reliant after the recent revelations about the NSA, according to Toomas Hendrik Ilves - but that shouldn't mean European countries cutting themselves off.
While Estonia reflects some of the mobile and PC hardware trends we take as read, in others areas - Apple's popularity, for example — the country does things its own way.
TransferWise might be based in London, but its roots are firmly in Estonia.
Despite its two biggest exporters being foreign owned, Estonia's IT industry is starting to boost its export credentials.
As part of our series of articles examining the 4G LTE landscape across Europe, ZDNet takes a look at how Estonia's fourth-generation services are measuring up.
In 2007, Estonia was the victim of a high profile campaign of state-sponsored online attacks. Now, years later, the country is promoting cybersecurity via a series of initiatives at home and abroad.
For those wanting to set up a tech company, there's a lot to consider. ZDNet takes a look at some of the major start-up hubs in EMEA and what each can deliver for those wanting to get their own IT business off the ground. Next up: fledgling tech tiger Estonia.
Estonia's ProgeTiiger project aims to prevent the country's IT skills shortage worsening in future by teaching some of its youngest citizens how to get to grips with tech and code. The initiative has proved so popular, it's hoped local IT companies will step in to finance it.