A high level overview of Ethereum smart-contracts using dUber, the decentralized version of Uber. Internal vs. External transactions.


I was reading this piece ([https://medium.com/@nancyellenherriman/ethereum-for-earthlings-e12ec293011a](https://medium.com/@nancyellenherriman/ethereum-for-earthlings-e12ec293011a)) on Ethereum smart contracts for beginners and one section stood out:

“Ethereum smart contracts aren’t able to generate external transactions by themselves, but use cases like dUber can use temporary accounts (often called escrows) to facilitate payment, as shown in transaction #1.”

Didn’t know smart contracts couldn’t generate external transactions. What is the difference between internal and external smart contract transactions?

Great article for beginners by the way!

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Qyno Project – Decentralized Masternode Network


Qyno is a blockchain-based financial ecosystem centered around Qyno Coin, a high performance digital currency.

[Qyno project](https://www.qyno.org/) sets a goal of the development of tools and products that can allow everyone access to faster, safer, anonymous, and near-zero cost financial products and services. Qyno aims to bring the cryptocurrency world closer to the real world through the use of Qyno Coin, a highly applicable and adoptable digital currency. Qyno Coin is embedded with InstantSend and PrivateSend featurues, making QNO transactions instant, anonymous and nearly free to send. With Qyno, businesses will have a solution for trading assets and goods in a secure, low-cost environment. The Qyno coin’s stability will allow users to engage the Qyno financial system easily. Without major fluctuations in price affecting the net cost of users looking to enter and use the Qyno financial system, adoption of the system will happen quickly and globally.

Qyno project is based on the masternode validation principle because masternodes provide next-level validation for blockchain networks in ways that standard mining can no. Users seeking a high-return masternode for earning passive income will be interested in Qyno. With a low cost of entry at 5,000 Qyno per masternode, users can experience the simplicity of generating a passive return on their investment by simply depositing the required amount of coins in their Qyno wallet and getting their masternode started.

Finally, the Qyno wallets are essential part of the entire ecosystem. For the online privacy purposes, the Qyno wallet incorporates PrivateSend, a feature allowing users to anonymously perform Qyno transactions.

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“Both #UASF/#BIP148 and #NO2X are solid proof that #bitcoin is a decentralized grassroots movement. This is the bar that any “competing” altcoin needs to meet. A centralized team of “founders” who is claiming their altcoin “is like bitcoin” are in fact just a team of fraudsters.”


“Both #UASF/#BIP148 and #NO2X are solid proof that #bitcoin is a decentralized grassroots movement. This is the bar that any “competing” altcoin needs to meet. A centralized team of “founders” who is claiming their altcoin “is like bitcoin” are in fact just a team of fraudsters.”

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