Blockstack launches phase 3 Krypton: proof-of-transfer implemented on the Stacks 2.0 testnet

New York-based decentralized computing network Blockstack which announced its proof of transfer mining algorithm earlier this year has announced that it has now launched Krypton – the third phase of the Stacks 2.0 testnet.

Its next milestone will focus on testing Stacks 1.0-2.0 upgrades with integration and testing with the Bitcoin (BTC) testnet.

Krypton is an important development in Blockstack’s novel mining consensus mechanism Proof-of-Transfer (PoX). This uses Bitcoin to secure an independent blockchain network, called Stacks 2.0.

PoX makes it also possible to reward Stacks token holders with bitcoin BTC, a feature called Stacking. With Stacking, Stacks (STX) token holders lock up STX tokens for a certain amount of time. Doing this helps to secure the network by acting as validators on the network, incentivizing honest behavior on the part of miners.

Developers and miners will be able to interact with the full Proof-of-Transfer mechanism, and users will soon

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Walmart Plus: How It Stacks Up Against Amazon Prime

Amazon Prime has been a go-to membership for years for many consumers in large part because of its free two-day–sometimes one- or same-day–shipping on a huge selection of products. For gamers and entertainment junkies, Prime routinely offers release-day delivery, making it a popular method for securing physical releases without heading to the store. Over the past 15 years, Amazon has racked up over 150 million subscribers. Now Walmart is trying to chip away at that subscriber base with its own delivery-focused subscription service that expands upon its Delivery Unlimited grocery service. Walmart+ launches today, September 15, so let’s see how it stacks up against Amazon Prime.

Amazon Prime vs. Walmart Plus at a glance

Features Amazon Prime Walmart Plus
Cost $119/year $98/year
Delivery same-day to two-day same-day
Eligible products 3 million 160,000
Release day delivery Yes Yes
Streaming service Yes No
Free games Yes No
Free trial 30 days 15
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