Home / Blockchain / Blockchain Startups Aim to Kill the Captcha With a New Anti-Bot Protocol

Blockchain Startups Aim to Kill the Captcha With a New Anti-Bot Protocol

Two blockchain startups are announcing a new ethereum-based solution.

Anyone who uses the web is aware of some level that is problematic – that's why we have to spend so much time proving our humanity. Increasingly, access to a site involving checking a box, or more annoyingly, picking out blurry images that includes certain objects like traffic signals and bikes.

These captchas (short for "Completely Automated Public Turing test to tell Computers and Humans Apart") are irksome from a user's perspective, but the underlying problem is a severe headache for companies, who can not be sure how many impressions their ads are getting from humans, versus bots.

Serafin Lion Engel, CEO of the blockchain startup Datawallet, told CoinDesk that "37 percent of all the impressions that companies pay for advertising networks are fraudulent impressions."

In order to solve this problem, Datawallet has announced a new product, the "Bot or Not protocol," to cut down on the prevalence of bots on ad networks. The company has developed the product in partnership with another startup, Enigma, which focuses on keeping private data in blockchain-based smart contracts.

"Secret contracts" protocol on ethereum, which was initially scheduled for the end of the third quarter but has been pushed back.

Datawallet also has to be its platform, but it is targeting the fourth quarter, according to Engel. A test of the Bot or Not service. Engel said they would be "full rollout" coming as early as next spring.

What bots can not fake

When it launches, Datawallet will offer what it calls to "self-sovereign wallet," allowing users to digitalize their data.

Using this e-mail: – – – – – – – – – – – – – – – – – –

The use of public-private key pairs, a cryptographic technique, will help to secure a secure exchange. Cryptographic tokens, which can be completed using Datawallet's crypto tokens, which sold in to $ 40 million ICO in February.

Datawallet has explored applications for this protocol that includes proving personal identity, said Engel, but the company found that is a "lite version" of those solutions that could be useful for a user of a website or a decentralized application is human.

Pointing out that bot nets produces "very un-human data creation patterns," he explained:

"The only thing that you can not do is make you go and like 200 soccer player pics."

Enigma, which raised $ 45 million in an ICO last year, will contribute to the protection of the user.

"Bot or Not is a major step on the subject of fraud and Sybil attacks," said Enigma co-founder and CPO Can Kisagun. (Sybil attacks involve the use of bot nets, sometimes to overwhelm servers and take down websites or services.)

"Decentralized technologies can be an answer for identity," he continued, "but only if data can be maintained.

Questions still to be answered regarding Bot or Not, including, Engel said, and the rest of Datawallet's offering.

"He told CoinDesk, adding that ethereum presented to significant" hurdle to adoption "because of the high cost of using the network and its limited throughput.

"Ultimately we want to be chain-agnostic," he said, with Enigma also aiming to apply

He concluded, though:

"We're building the initial version on ethereum.

Robots image via Shutterstock


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