Reliable Bitcoin Paid Web Advertisement Traffic

The transaction, which may be viewed via Etherscan, an Ethereum (ETH) blockchain explorer, confirms that a “blacklist(address investor)” function was initiated on June 16, 2020, by 0x5dB0115f3B72d19cEa34dD697cf412Ff86dc7E1b, which is an address that’s controlled by CENTRE, the Coinbase and Circle backed entity responsible for issuing the USDC stablecoin.
There are legitimate concerns about security on Ethereum. With such a complex system, and so many different programs running on it, the attack surface is large. And given the challenges the community faces in migrating to Ethereum 2.0, including a new proof-of-stake consensus mechanism and a sharding solution for scaling transactions, it’s still not assured it will ever be ready for prime time. 
Decentralizing Everything with Ethereum's Vitalik Buterin | Disrupt SF 2017

The PTC websites will have a community of members(users) like you who work to click and earn money. When advertisers purchase ads, it will be displayed on the PTC sites in the view ads page, where the members can click the ads to earn money. The more ads they click, the more you can earn. This is the process of Online Ad clicking jobs or Pay per click jobs.
The potential applications of Ethereum are wide-ranging and are powered by its native cryptographic token, ether (commonly abbreviated as ETH). In 2014, Ethereum launched a presale for ether, which received an overwhelming response. Ether is like the fuel for running commands on the Ethereum platform and is used by developers to build and run applications on the platform.	
Ethereum Vs. Bitcoin: What Sets Them Apart? | CNBC

Speculators have often pushed the cryptocurrency market forward by merely selling their crypto-assets for fiat profits. However, Ethereum’s budding ecosystem allows for money to be spent and earned within its own internal economy. Although we are still a long way away from maturity, once Ethereum scales, these positive developments will surely accelerate.
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