blocktcha

blocktcha

blocktcha

Built for

Stellar smart contract challenge 2024

AIMS

• User verification as human
• Timed verification of users
• Blockchain for immutability
• Privacy via annonymity

A rethink on just what bots can and cannot do


blocktcha

As trusted as bots are for their effectiveness, it is quite hard to have a bot make payments on your behalf
Say, a bot given some financial info like an ATM card details for instance, to automate payments. That is quite a hard-sell
It however begs the question of whether bots can successfully interact with say an extension like Metamask or Freighter wallet in chrome drivers and perform click actions to authorize actions or send tokens.

Incorporationg an ingenious way of detecting clicks as being by bots


{
clientX: 0 clientY: 0 pageX: 0 pageY: 0 screenX: 0 screenY: 0 layerX: 0 layerY: 0 x: 0 y: 0 pointerType: detail: 0 isTrusted: false
}

A
CAPTCHA
alternative


Via micro-payments in crypto

You send crypto, get verified as the sender and as human via your wallet address confirmed as the source

In a sandboxed environment

selenium
selenium

Keep users in, lock bots out by using the integrity of the Stellar blockchain


Live on

TESTNET

• contract addres •


CBBUOJCYNHLWPK5UAPOFVXUPFD5YZWYL34UPSIK5IXZMR4BTN7P46HMB