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Complexity in building a state sharded blockchain - insights on how things look before a mainnet launch

We've managed to increase the speed of development during the last weeks. It's kinda fun testing the limits but also painful. Here's a glance behind the scene👇

To start the next Battle of Nodes phase, everything we need is

- a feature complete code freeze
- robust stability against known attack vectors

💪 So our team has been pulling 14-16 hour work days to move a few mountains, and get the stuff done.

👨‍💻 Here’s how integrating a feature looks like:

Idea -> Specification -> Peer review -> Code pull request -> 2 peer reviews -> merged in test branch -> deployed for large scale testing -> bugs found -> bugs fixed pull request -> 2 peer reviews -> internal hacking -> merged in Master branch

🏋️‍♂️ There are 3 challenges we've been facing, but we've now almost solved them.

1️⃣ Stability - Though we've reached good network stability in the past releases, with each new feature we merged during the last days, stability got a reset. New testing, new bugs, new fixes. Rinse & repeat.
2️⃣ Complexity - Growing system complexity has become increasingly difficult to manage at this speed. Monster large codebase, multiple interdependencies, many features added in a short timeframe, tricky bugs emerging & isolating them takes longer than expected.
3️⃣ Estimates - Given the several levels of overlapping complexity, calculating precise time schedules for a release is practically impossible. All we have, is insane effort directed at these problems, good progress being made, and a rough estimate of next expected release. These estimates are based on: number of features still being integrated * days it takes on average to integrate, perform all tests, and reach stability with new features.

👌 The good news is our solutions are in sight:

1️⃣ Most features are already implemented, the last few are being processed right now.
2️⃣ New tools for managing complexity will be put in place.
3️⃣ Once features are done, predicting timeframes becomes 50% better.

Building a state sharded proof of stake architecture is hard. Doing it on an aggressive schedule is even harder. This is why most projects have failed, and Ethereum will not be able to deliver any working solution in the next 2 years, despite what $ETH supporters might tell you.

💡 Complexity is high, but far from unsolvable. In fact, we are 98% done for Genesis. The last 2% will be:

- finishing 1-2 features and stabilizing via heavy testing
- trial by fire via Battle of Nodes

🤔 Honestly, I'm quite surprised no one is talking about this complexity, especially given how early and unstable the other state sharded architectures look in practice. This might mean they're basically faking it, or maybe they're too far behind to have stumbled into this. Remember, the problem with state sharding has not been a theoretical one. We've published a full solution 2 years ago.

The problem has ALWAYS been in building the solution. This might mean the new moat for open source tech, equivalent to old patents, is the capacity to conquer complexity at high speed.

A high throughput, low latency, high security, low cost blockchain is not sufficient for the next wave of adoption, but without it it's an impossibility. You might think you can get around the performance problem, but there's no shortcut. It will become an inevitable bottleneck. Having the tech is a major achievement, but adoption is the name of the next game level.

🔥 For this, we have a new solution, to be unveiled soon

RT: https://twitter.com/beniaminmincu/status/1249650877826240514?s=20
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#Staking

Poloniex is launching their 21-day ‘MATIC Hodl & Earn’ campaign, offering an interest rate of 35% APR!

Poloniex’s MATIC trading competition, which is concluding in the next few hours, has generated such a huge amount of interest that they’re launching yet another community campaign for MATIC token holders!

Poloniex is launching their 21-day ‘MATIC Hodl & Earn’ campaign later today, offering the community the chance to earn 35% APR on your MATIC balance, simply by holding your tokens on Poloniex.

🗓The campaign will run from 11.30 PM IST today, April 17th, until 11.29 PM IST on May 8th, 2020.

Read the full details here: https://buff.ly/3con2u0

Retweet: https://twitter.com/maticnetwork/status/1251177561117229056
OIL May contract trading at $-1.43
Atleast shitcoins never go below 0 and they call crypto risky.
A thread on -
What led to the fall in OIL?
What is the Correlation between Brent and WTI?

The WTI crude is a particular quality of crude oil in the US that is traded in the markets like other stocks and commodities. Just like other commodities there are various expiry contracts like a May expiry, June expiry and so on for various future months.

The contract states that anyone who bought the contract and holds till the expiry needs to actually take the delivery of the crude at a place called Cushing in Oklahama which is basically the hub/ market for oil. Vice-verca for the seller of the contract.

The case in hand is the May expiry crude price which has settled negative $37/bbl. In simple terms the contract means that anyone who holds the contract promises to buy the crude at Cushing.

Now the situation that has occurred is that there are some participants (traders/refiners/oil producers) who will either have actual physical oil with them during May month or had taken speculative position. Now they dont need it for whatever reason.

In a usual scenario, they would have escaped easily by selling the contract in the market but these are unique times. With the Covid 19 pandemic taking away more than 25% of oil demand currently, their is a huge surplus of oil in the US.

Refiners have filled their capacity, airlines dont need it and producers cant suddently switch off the tap. This had led to a big jump in crude storage at Cushing. With recent developments there is an estimate that storage might be filled totally by May mid.

So then, what does the buyer (usually a Refiner/ airline) of the May contract do? Usually he would have bought and either used it or kept at Cushing or his own storage to use it later on?

But Cushing is likely to be full. Other option usually is to take it out through a pipeline to the shore and keep it in a vessel and use it when demand is there.

Well uniquely again, because of the glut, the pipelines which were taking the crude have reversed the flow and getting the crude in to Cushing. On top of it, even if you get the crude out to the shore, the vessels have already been booked and are simply not available.

So what does a holder of a contract do? Lets say if he is a trader? He certainly cant take the actual delivery. So he will sell it at whatever price - even negative. If indeed the inventories are full, the buyer will perhaps take the delivery and store it in truck tanks perhaps.
The Elrond mainnet will launch with Binance $BUSD as the first stable coin

The Elrond mainnet will launch soon with the Binance $BUSD as the first available stablecoin. Developers can already start building on the Elrond testnet with a dedicated IDE and smart contract frameworks for the most popular languages. This way they get a head start on implementing new DeFi use cases and receive 30% royalties from their smart contracts.

Stable coins in general have also seen a spike in use, with transactions nearing $100bn so far in 2020, almost three times more than in 2019. Slow transactions, long confirmation times and large fees are seemingly inescapable infrastructure problems today. Elrond’s innovative infrastructure & economics will enable it to capture a significant portion of the existing transactions and make it the obvious choice for new ones.

Given that the Elrond launch is so close, the immediate availability of the Binance $BUSD will put the high performance capability of our network to great use. This collaboration marks an important step in our focus to significantly improve current blockchain use cases, and enable new ones as soon as Elrond goes live”. said Beniamin Mincu, Elrond CEO.

Read more: https://medium.com/elrondnetwork/binance-leverages-the-elrond-blockchain-for-fast-inexpensive-busd-stablecoin-transfers-da73d0d5cec3

RT: https://twitter.com/ElrondNetwork/status/1253678185956421637?s=20
Forwarded from Bitbns Announcements
Phase 3 of BNS Pre-Public Token Sale begins this Monday. 😍

Are you up for investing with the future? 😎
Read more ➡️ https://t.co/0mroWtXh1U

#BNS #cryptocurrency #crypto https://t.co/qNPX7J72Ll
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#CounterStake #Mainnet

We’re thrilled to announce that Counter Stake Stage 1 is now complete! The final stage begins!

Thus, the run-up to mainnet has begun
🎉

With the assistance of our Counter Stake validators, we’ve comprehensively tested the network to identify and repair any issues, and have achieved a flawlessly running network. The latest iteration of our Counter Stake testnet (CS-2006) has now been running perfectly for over two weeks - in short, Stage 1 has been a huge success!

The final stage, Stage 2, will officially commence in the coming days. Our validators will essentially attempt to 'break' the network, in order to ensure with certainty that all bugs and issues have been identified and rectified during Stage 1.

We will be providing frequent progress updates for our community during this stage.

Stage 2 marks the final hurdle before our mainnet is ready to launch, and we couldn't be more excited!

Read our full report of Counter Stake Stage 1 here: https://buff.ly/3bMG25E
Binance adds $ERD Savings for 7 & 14 days with 10% and 12% APR

Binance will open a customizable $ERD Savings product on 30 April at 12:00 UTC. Each user will be capped at 5.000.000 ERD per deposit and will be able to select a 7 days lock with 10% APR or 14 days lock with 12% APR.

There is a total 150.000.000 ERD cap for each of the products, to be allocated on a first come, first served basis. Interest calculation starts 24 hours after the launch of the products, at 01 May at 12:00 UTC.

RT: https://twitter.com/ElrondNetwork/status/1255444096895913984?s=20
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#Collaboration

Matic and Cartesi to collaborate to power Cartesi DApps and for Plasma exit dispute resolution R&D

Cartesi is an off-chain decentralized computation platform which combines computational scaling with a Linux operating system. In order to empower DApps building on Cartesi with a seamless UX, they will utilize Matic’s high-performance, low-fee infrastructure.

The first fully-decentralized DApp running on Linux, Creepts, has already been successfully deployed on our testnet.

In addition, we will be collaborating with Cartesi on R&D in the area of dispute resolution for Plasma exits. Cartesi uses an innovative dispute resolution protocol, and conducting joint R&D on this front will be valuable for improving our own infrastructure.

Together, we will enhance our respective platforms 🤝

Read more about our collaboration here: https://medium.com/cartesi/cartesi-partners-with-matic-for-testnet-integration-and-r-d-7372ecbbc262

Retweet: https://twitter.com/maticnetwork/status/1255823435927699456
‼️Announcing an official public AMA with RIVEX in our community group @flipORhodlChat

👉 Join Public AMA at @flipORhodlChat

Date : 4th May , Monday
Time : 5:30 PM IST / 8 PM SGT

🎁 Rewards :
Top 5 questions will be exclusively selected by RIVEX team and will be rewarded $10 USDT each.

More info you can find in our telegram community chat @flipORhodlChat

Join our Crypto updates Channel : @flipORhodl
Join our Crypto Community Chat : @flipORhodlChat
PSquare Daily Alpha pinned «‼️Announcing an official public AMA with RIVEX in our community group @flipORhodlChat 👉 Join Public AMA at @flipORhodlChat Date : 4th May , Monday Time : 5:30 PM IST / 8 PM SGT 🎁 Rewards : Top 5 questions will be exclusively selected by RIVEX team and…»
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#Adoption #Mainnet #Dappweek

In preparation for our upcoming Mainnet launch & Staking, we’re thrilled to announce the second Matic Network DApp Week!

Following our first hugely successful Dapp Week held in February, our second Dapp Week will take place next week. Each day from May 4-8 we will be introducing another new DApp joining the Matic ecosystem, mostly within the gaming sphere.

With our final mainnet launch fast approaching, we are seeing interest and adoption from DApps growing exponentially. Those being revealed during DApp Week are just a few of the many DApps which will be deploying on our mainnet to become #PoweredByMatic in the coming weeks.

Stay tuned to see what’s new in the Matic ecosystem.

Retweet: https://twitter.com/maticnetwork/status/1257226353440518144
PSquare Daily Alpha pinned «WE ARE STARTING THE RIVEX AMA IN 5 MINUTES PLZ JOIN EVERYONE SORRY FOR THE DELAY»
RIVEX AMA WINNERS

@sam_cryptotrader
@Florencio_C10
@Bobmaracaibo
@Gutike95
@Billycarupano

Share your USDT ERC20 address with @psquare_pramodm for $10 USDT reward.
📊 Elrond DeFi Products & Staking Tools coming to Frontier Wallet

Decentralized Finance products deployed on the Elrond blockchain, as well as tools related to the Elrond Proof of Stake environment, such as validator staking, delegation and rewards management, will be available to Frontier users.

There’s a massive potential to DeFi but interacting with the different tools is still a pain, limiting adoption significantly. Frontier Wallet approaches DeFi in the same way we approach Blockchain - with utmost attention and care for the user. We’re excited to work on the Frontier wallet integration to make products running on Elrond simpler and more accessible.” said Beniamin Mincu, Elrond CEO.

*The integration is still work in progress so Elrond products are not immediately available in our partner’s app.

Read all about it: https://medium.com/elrondnetwork/elrond-defi-products-staking-tools-to-be-available-in-frontier-wallet-c79c09cc22c3

RT: https://twitter.com/ElrondNetwork/status/1257988936347025408?s=20
Dear BitMax.io Users,

BitMax.io announces the primary listing of Rivex (RVX) under the trading pair of RVX/USDT.

Deposits & Withdrawals to start on May 6th, 10:00 a.m. EDT.

Trading to start on May 8th, 10:00 a.m. EDT.

Project Introduction of Rivex (RVX):https://bitmaxhelp.zendesk.com/hc/en-us/articles/360047247954

We truly appreciate your continued support.

BitMax.io Team

May 6, 2020
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#Dappweek #Mainnet #LoomToMatic

For our third integration of Dapp Week, we're excited to announce that Blocklords is migrating from Loom to Matic!

Blocklords is an award-winning blockchain-powered medieval strategy game built by Arctic Seascape, a game development studio dedicated to bringing innovative high-quality blockchain strategy games to the masses.

Therefore, after testing out an array of platforms (including TRON, NEO, Icon and Loom), Blocklords has decided to onboard to our mainnet to provide a better UX. Our infrastructure will power Blocklords' user-driven NFT economy, enabling seamless transfers with negligible fees.

Read more: https://buff.ly/2zbV5Ye

We’re joining forces with Blocklords to offer an exclusive giveaway. 10 lucky winners will share $150 in MATIC tokens 🎉

Participate here: https://buff.ly/2WsTrcy

The Matic ecosystem is growing stronger every day. Stay tuned to see the other new additions as Dapp Week continues.

RT: https://twitter.com/maticnetwork/status/1258034276164972546
We’ve stolen your money

I checked, it's from official DeepBrain Chain Medium Account.

https://medium.com/@DeepBrain_Chain/weve-stealin-your-money-e20b81fb5d0a
Forwarded from Polygon Official Announcements (Chandresh Aharwar)
#IndianBlockchainEcosystem #Government

We're joining the T-Block accelerator program, organized by Tech Mahindra and the Telangana government, as official platform partner alongside Harmony!

The aim of T-Block is to provide promising Indian blockchain startups with the support and tools required to flourish and thrive. The initiative will further the Telangana government’s mission to make Telangana the ‘Blockchain Capital of the World’.

Matic, along with Harmony, will be providing T-Block startups with support and the infrastructure required to build DApps with the performance required to facilitate mass adoption.

“We will extend Matic Network’s infrastructure and our in-house expertise to mentor and train the participating startups."
- Jaynti Kanani, CEO - Matic Network

We’re honored to be playing a prominent role in establishing India as a major hub of blockchain innovation!

Read more: https://buff.ly/2YGVqg4

Retweet: https://twitter.com/maticnetwork/status/1259746314021027841
Bitcoin’s third quadrennial halving just occurred. Bitcoin block reward decreased from 12.5 to 6.25 coins. The most important thing about this halving is that Bitcoin’s expansion rate is now below most central banks’ inflation target of 2% for the first time. The second most important thing is there will be 3 billion US dollars less in sell pressure each year. Lastly, the price impact of this halving will play out over 1 – 1.5 years.

https://www.blockchain.com/btc/block/000000000000000000024bead8df69990852c202db0e0097c1a12ea637d7e96d

The last Bitcoin block(629999) with 12.5 BTC reward right before the halving included the following message in its coinbase data: "NYTimes 09/Apr/2020 With $2.3T Injection, Fed's Plan Far Exceeds 2008 Rescue" This was a reference to the Genesis block message: "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"

https://bitcointicker.co/latestblocks/