XDEFI x Satoshi Club AMA Recap from 17th of March.

XDEFI x Satoshi Club AMA Recap from 17th of March.

Hello, Satoshi clubbers Another AMA took place in Satoshi Club and we would like to introduce to you the AMA session with our friends from XDEFI and our guest was Turbulence Wang. The AMA took place on 17th March.

The AMA session was divided into 3 parts with a total crypto reward pool of 500$

In this AMA Recap we will try to summarise the most interesting points for you.

Part 1 — introduction and questions from the Telegram community

Turbulence Wang: I’m glad to share ideas from our project, xDeFi.com

We established a series of protocols, all built over xDEX, our multi-asset AMM DEX which support LP farming.

Thank you for the intro @ciupidos

Today I will give a brief introduction about what’s new on xDEX, in a couple of minutes

Mary | Satoshi Club: Hello, guys! Happy to see you all here! Let’s start our AMA

D. | Satoshi Club: awesome

Mary | Satoshi Club: Sure! But let’s start with introduction

Turbulence Wang:


Keep this deck for a quick review or as a reminder for later reference

Mary | Satoshi Club:Guys, please, introduce yourself and tell us more about XDEFI

Turbulence Wang:


The first thing many blockchain users may wonder is — Do we really need one more DEX? Uniswap and 1inch are the 2 most successful DEXes product on Ethereum blockchain. The answer is yes, we still need multi-asset AMM DEX in the first place.


Mary | Satoshi Club: Great! This intro will be awesome

Turbulence Wang: Imagine you want to trade UNI for Sushi, UNI will only give you a multi-hop choice which caused doubled gas consumption in this transaction.

In Multi-Asset AMM DEXes, multi-asset pools are still portfolios which provide liquidity simultaneously.

In conventional stock market, ETF funds are usually composed by stocks in the same industry or in the same style, like Bluechips, Growth, Pinkslip etc.

xDEX pools support pools using 2 templates

Template A, Altcoin-ETH-DAI-XDEX=32%:32%:32:4%

Template B, you can see DEXes/NFTs/Aggregators/StableCoins/Lendings coins along circles and along axis. Along the circles we have ETF funds of different marketcap, Along the axes we have ETF funds of different industry.

Thus we call this multi-asset DEX as spider net topology, Instead of star like topology of Uniswap, trading routes are shortened.

Turbulence Wang:


One more important progress we’ve made is pool deduplcation for multi-asset pool model. You can check Kyber / Balancer pools , many different pools have similar tokens, so the liquidity is fragmented into different pools. User experience is degraded for slippage is higher if we do no pool dedup.

Mary | Satoshi Club: Impressive!

Turbulence Wang: Certainly, pool dedup work is by default done by Uniswap. So xDEX is featured with: Shortened routes, together with pool deduplication.

Once liquidity is merged rather than fragmented, you can see the overall Turn Over Ratio (Daily Exchange Volume / Total Value Locked) is higher. For some certain pools in Kyber/Balancer, this index shows a pretty good liquidity. In most pools, this index falls much lower than Uniswap.


Another way to optimize slippage is constraining asset weights.

We’ve observed that many pools in Balancer is 98%:2% which almost provide no liquidity.

Keeping the weights balanced in the first hand could enhance the turnover ratio, and one step further, if weights ratio are integers, we adjusted the code by a little so that solidity codes will be executed with lower gas amount.


Finally, we think 1inch.exchange understand traders very well — They do abstractions for different trading scenarios, to save gas for users, or to give users chances to trade under lowest slippage.

xDEX tackled crypto trading scenarios case by case, and optimize certain scenarios for altcoin traders:

D. | Satoshi Club:[

Sticker ]

Turbulence Wang: Alt/Mainstream, Alt/Alt scenarios are optimized in their own scenarios.

ETH/DAI trading remains the same as ordinary DEXes


So If you still have questions about in what aspects xDEX differs from other DEXes, plz save this table:

Here are some hints about how a solidity programmer or a scientist to save gas in their works

xDEX will keep permissionless and trustless.

… and also enhance user experience.


We cherish our core users, especially for traders. Here is a diagram depicting the interactions between different user groups. As we can see, altcoin traders, portfolio holders, token issuers and DAO participants are all welcomed in this ecosystem.

Anyone familiar with DeFi farming will digest this diagram in 10 sec


Here are some statistics, dirty data removed. More than 10k old addresses experience our products.

XDEFI Official website: https://xdefi.com/

White paper: https://docs.xdefi.com/cn

Referral Invitation: https://activity.kovan.xdefi.com/referrer

GitHub: https://github.com/xdefilab

Telegram CH https://t.me/xdeficn

Telegram EN https://t.me/xdefilab

Medium https://medium.com/@xdefilab

Twitter https://twitter.com/xdefilab

So … welcome

Mary | Satoshi Club: Wow, excellent introduction

Thank you for this!

D. | Satoshi Club: thank you! i think this is the most impressive intro we ever had in Satoshi Club

Turbulence Wang: We will launch on Ethereum blockchain first. Some of our testnet users complain about gas consumptions on ETH… They urged us to deploy our projects on EVM chains like BSC.

Yes, we’ve already got a plan, stay tuned for the official announcements.

Turbulence Wang:


We won’t issue more tokens but will use cross-chain bridge solutions.

D. | Satoshi Club: this is will be a very nice upgrade

Turbulence Wang:


And one more thing… plz play around on our multi vesting tool,

xHalfLife Protocol is already used in our financing activities. All investors have 80% tokens vested in smart contract, and this part will be unlocked block by block. The speed is exponentially decaying.

Mary | Satoshi Club: Thanks! A lot of useful info!

Turbulence Wang: Different from all other competitors, xHalfLife is repetitively refundable.

Mary | Satoshi Club: We will have question about xHalfLife from our member later

Turbulence Wang:Plz play around on halflife.kovan.xdefi.com ( so you won’t spend true gas :):):) )


Turbulence Wang: Sure. Sablier Protocol is adopted by Sushi and Vesper, but think about a refundable money stream!

We’ve still got tons of work to do in the next 6 months, but xDEX, xHalfLife will launch soon.

Mary | Satoshi Club: We definitely will wait for the launch!

Turbulence Wang: If anyone is interested in any part about our projects, ask us anything here & now , anything on twitter and discord

OK we can start Q&A now

I’m happy to have this chance sharing our ideas.

@madamlobster @Cool_as_Ice

Mary | Satoshi Club: Let’s go

and thank you for intro one more time

Q1 from Telegram User @Korryl

I read that the protocol stack of xDeFi was launched on the Ethereum Kovan testnet and now already finish. Can you share the detail of xDeFi test in Kovan testnet, is it success with no bug? What are your plans after successfully carrying out this test, will there be further tests with more activity reward to user or xDeFi will launching immediately?

Turbulence Wang: In 2 rounds of Kovan testnets we collected many around 80 bugs, less in contracts, much in frontend.

Mary | Satoshi Club: But this round is still alive, right?

Turbulence Wang: After 2nd testnet ended at Mar.10.2021, we tested our projects 3 more rounds to tackle problems.

Our code auditors put their effort mainly on Solidity contracts, we still have more to fix and cooperate with our auditors to give out their final opinions.

Thank you.

As soon as we are given a final opinion of “low risk” for our newest version we will launch our projects.

Mary | Satoshi Club: But do you have approximate dates?

Turbulence Wang: No 2nd round is ended. Team tested products for 3 more rounds for our own usage

in 1–2 weeks

Mary | Satoshi Club: Wow, almost here

Thank you for your answers! Ready to proceed?

Turbulence Wang: Cool

Q2 from Telegram user @Antoni_azx

XDefi smart contracts has passed two auditions, one by Certik and one by SlowMist, so it seems that everything is safe and bug-fixed, but what can you tell us about the security protocol of the platform itself? How is the whole infrastructure safe from scammers and hackers?

Turbulence Wang: Nice questions. We will launch xDEX protocols (including swap, liquidity, pool proxies), FarmMaster protocol (tokens farmed will be minted) and xHalfLife(vesting), the 3 most important part in our product.

CertiK and Slowmist give the audit opinions protocol by protocol.

Mary | Satoshi Club: So, they audited everything?

Turbulence Wang: Yes composability sometimes causes risk — Think about Furucombo, Sushi repurchase and Balancer farming. All we can do is testing the behaviours under different corner cases.

Protocol by protocol

D. | Satoshi Club: will you do another audits before the launch of mainnet?

Turbulence Wang: Everything always kept opensourced on https://github.com/xdefilab

Mary | Satoshi Club: Yes, i remember this accidents

Turbulence Wang: Slowmist and CertiK tracked our newer versions, responsible for newest version

If onchain version different from the version they’ve audited, they will give alarms on their homepage to make sure the users are using a safe product.

Check their homepage to make sure Our newest verion == Version Audited

Mary | Satoshi Club: So, they are tracking projects they were auditing?

Turbulence Wang: They are working on the diff right now. As long as we have a newer version, we will cooperate with them to review the differences in codes

Mary | Satoshi Club: Gotcha! Thank you!

Ready to jump to the next question?

D. | Satoshi Club: got it, good to know such nuances

Turbulence Wang: This working standard is recommended by all of our auditors.

D. | Satoshi Club: thank you for the answer! let’s proceed to the third question

Q3 from Telegram user @garrinepotter

Tell us about the economic model of the XDEX token. Distribution, blocking and, of course, inflation of 19%. Why is inflation so high and what measures are provided to reduce it?

Turbulence Wang:Good question, I happened to organize the detailed info after our seed round investment closed


From our BP deck

Take a closer look but there is a newer version in our Discord.


Total: 100M tokens + 19M tokens per year for Farming

9.6M Stage 1 + 9.6M Stage 2 + 9.6M Stage 3 + 9.6M Stage 4 + 19M per year for liquidity farming (38.4M + 19M per year)

36.6M TVL Milestones

– 0.3M TVL Milestone 1 (TVL 1M)

– 0.3M TVL Milestone 2 (TVL 10M)

– 0.9M TVL Milestone 3 (TVL 100M)

– 2.7M TVL Milestone 4 (TVL 1B)

– 8.1M TVL Milestone 5 (TVL 10B)

– 24.3M TVL Milestone 6 (TVL 100B)

10M Initial Team

4M Seed Round Investors, $0.24 w/ Financing Multi-Sig Account 0xF529d79e96358d47455451dDC2a2a60BB0CE9e46

0.58M Kovan Testnet Round 1, Round2, and Invitation Airdrop

0.1M BSC Grant Event Airdrop

0.225M PentaLaunch IDO

1.5M Initial Uniswap Liquidity

0.9M Other Initial Liquidity

8.5M Continuous Financing, DAO, and Introducing new partners, Multi-Sig

Mary | Satoshi Club: When you plan to close seed round?

Turbulence Wang: Already closed, raised about 90M USD

not a huge one :):):)

Mary | Satoshi Club: Wow! Congratulations!

Turbulence Wang: Total: 100M tokens + 19M tokens per year for Farming

D. | Satoshi Club: haha nice joke

Turbulence Wang: 75M + 19M per year are rewarded to LP farming!

And , information fully disclosed ( even including our multi-sig account!)

Interesting part is :

36.6M TVL Milestones

– 0.3M TVL Milestone 1 (TVL 1M)

– 0.3M TVL Milestone 2 (TVL 10M)

– 0.9M TVL Milestone 3 (TVL 100M)

– 2.7M TVL Milestone 4 (TVL 1B)

– 8.1M TVL Milestone 5 (TVL 10B)

– 24.3M TVL Milestone 6 (TVL 100B)

Mary | Satoshi Club: Your plans are as huge as amount you raised

D. | Satoshi Club: so total supply of token is infinite? if im not mistaken

Turbulence Wang: 1M-10M easy, 100M-1B a little bit harder, 10B-100B DeFi #1

Inflation rate close to Ethereum and Filecoin — 19%

D. | Satoshi Club: got it

Mary | Satoshi Club: Thank you for answers! Are you ready for the next question?

Turbulence Wang: Eth about 40M in CEX/DEX es, 5M mined per year, 12% inflation. This morning Filecoin announces a halving, 368K per day over 700M which is also 10–20% inflation. An open system will always welcome the new comers, as long as crypto world grows 30–70% per year. Under 20% is safe.

Mary | Satoshi Club: Nice math

Turbulence Wang: Much more tokenomics design principles here, hope this to be helpful for others who is designing one https://xdefilab.medium.com/on-design-of-tokenomics-pow-cryptocurrencies-de-fi-tokens-and-xdex-80c71f665dee

Hope I didn’t do it wrong in several seconds lol

We discussed 10+ Pow/DeFi tokenomics!

Mary | Satoshi Club: No, i got it

btw, can you tell is it possible that you will also change your tokenomics?

Turbulence Wang: Plz take a quick review

Turbulence Wang: Tiny adjustments will be done within these 3 parts

1.5M Initial Uniswap Liquidity

0.9M Other Initial Liquidity

8.5M Continuous Financing, DAO, and Introducing new partners, Multi-Sig

But numbers won’t vary too much, 8.5M part will used for 2 more rounds of continuous financing . About 1.5+0.9 will be responsible for initial liquidity

9.6M Stage 1 + 9.6M Stage 2 + 9.6M Stage 3 + 9.6M Stage 4 + 19M per year for liquidity farming (38.4M + 19M per year)

36.6M TVL Milestones

– 0.3M TVL Milestone 1 (TVL 1M)

– 0.3M TVL Milestone 2 (TVL 10M)

– 0.9M TVL Milestone 3 (TVL 100M)

– 2.7M TVL Milestone 4 (TVL 1B)

– 8.1M TVL Milestone 5 (TVL 10B)

– 24.3M TVL Milestone 6 (TVL 100B)

10M Initial Team

4M Seed Round Investors, $0.24 w/ Financing Multi-Sig Account 0xF529d79e96358d47455451dDC2a2a60BB0CE9e46

0.58M Kovan Testnet Round 1, Round2, and Invitation Airdrop

0.1M BSC Grant Event Airdrop

0.225M PentaLaunch IDO

Mary | Satoshi Club: With this numbers i need more time

Turbulence Wang: These will remain unchanged … The reason we won’t modify these parts : We’ve already tested the economic system robustness in 1st round of testnet.

Mary | Satoshi Club: But i am sure you prepared perfectly

Turbulence Wang: Yes we do. We make assumptions, we prove some in Testnet activities.

Vesting helps so much in keeping the price go smoothly — But our vesting period is much shorter than Sushi farming / Filecoin mining

Mary | Satoshi Club: I wish you that everything went as planned and tested!

Turbulence Wang: Thank you!

Q4 from Telegram user @Highpee

There is an initiative you borrowed from Half life principle of radioactive elements which you called xHalfLife. You said xHalfLife is a better alternative to token vesting as it will offer effective and equity distribution of tokens which can be helpful in case of emergency which require emergency withdrawal. What model will xHalfLife be using to offer a slow at the same time fast method of unlocking equity which users can use to improve their lives? How are users funds categorised into delayed income and recorded income and for what purpose is this division?

Mary | Satoshi Club: Where we will be able to trade your tokens?

Turbulence Wang: Uniswap, and our own xDEX.

Mary | Satoshi Club:

Turbulence Wang: Professional question.

The reasons we choose Halflife: 1. Half-life means (faster in the early stage, later in the latter stages). Instead of 1-time linear vesting used in payroll, Half-life is designed for stock/share/token vesting. Stocks/Shares/Tokens are to be expected to goes higher right? In the latter stage, the token price also goes up too. As long as the incentives are not stablecoins, you can expect the exact value this halflife is emitting is smooth.

Less amount emitting with a higher price = stable in value.

Hope I made this clear.

Mary | Satoshi Club: So, you’re sure that token price will only get go higher?

Turbulence Wang: 2. xHalfLife stream is refundable, it’s very different from 1-time linear stream. Project founders incentivized colleages repetitively. Halflife pattern is the only way to save tons of gas, or you will create many streams. If you adjust linear streams as refundable, keeping track on history is much more expensive.

The 2 reasons are the major reasons.


Please spend a little time on this topic

Mary | Satoshi Club: Ok, it needs more time than some seconds which i have now

but as i see the timeframe is from 2020, right?

D. | Satoshi Club: will you planning to add any deflationary mechanism? token burning is a kinda popular strategy nowadays

Turbulence Wang: If token issues have strong token management and strong execution power, it will. Please take a look at $NVDA and $MSFT. KEEPING REPURCHASE is the vital part, and halflife is only a tool.

Turbulence Wang: KEEPING REPURCHASE means the BUSINESS is a continuously profitable one… DEX is.

Mary | Satoshi Club: Got it! Will go through this article one more time after AMA! Thank you!

Turbulence Wang: We started to opensource our projects since Sep 2020, and I took some time working on Medium

Woo a tricky one. We don’t want to make obstacles for the new comers, a tiny inflation is good for me by now

Burning strategy is cool, if our operating revenue is sufficient we will consider burn the 8.5M part

We always reward our liquidity providers ( this part causes a 19% inflation, don’t be startled).

Those tokens are not for our team — for expanding the whole ecosystem.

8.5M part, in our original plan there will be 2 more rounds of private placement.

Mary | Satoshi Club: Yes, you have a good incentives for your liquidity providers

Turbulence Wang: If 1 round is enough, we shall consider token burning strategy ( in case token hodlers are afraid of dumping)

Keeping faith is as important as incentivizing

Thank you for suggestions

D. | Satoshi Club: you are welcome! thank you for the great answers!

and the next question…

Q5 from Telegram user @h1drX

The AMMs have found a niche in the DeFi space for their simplicity and ease of use, but can you tell us the formula of the protocol that xDefi uses? That is, Uniswap uses x · y = k, where x is the amount of one token in the liquidity pool, and y is the amount of the other. In this formula, k is a fixed constant. What is the protocol adapted to xDefi and why did you design it that way?

Turbulence Wang: x^a*y^b*z^c = k is a natural expansion for Uniswap model, and the smart ones will notice this is exactly the Balancer model(Dec.2019, Beta Testing). We respect their efforts on expand the AMM borders. I love their products too! These codes can be found in BAL repo and our repo, we think the math model is good enough, but there’s clearly much space to optimize if c/a is decimal or a large integer. As I mentioned according to the deck, c/a will be “small integers”, saving gas, and reducing slippage.

Hope I made this clear

We respect all the works that Uniswap and Balancer achieved, they are pioneers.

Mary | Satoshi Club: Who made all this math?


D. | Satoshi Club: i hope techies happy with that answer

Turbulence Wang: No, the first one made it clear is Fernado Martellini @ BalancerLabs

Mary | Satoshi Club: I am really interested how many talented persons in your team)

Turbulence Wang: A very natural expansion on Uniswap and the idea is super cool

Mary | Satoshi Club: I mean all math for XDEFI

Turbulence Wang: Gas saving part, me and our CTO

Mary | Satoshi Club: Applouds

Turbulence Wang: Tokenomics part by me and all the things packed up by CTO … He’s familiar with EOS/Solidity/Substrate dev

We solve very special topics that other teams won’t meet… like gas saving on xHalfLife. Generally speaking, functions like sqrt(x) given by Uniswap and x to the a th power x^a given by Balancer has almost no space to optimize.. These are basic functions. Gnosis team and OpenZeppellin team also spend huge amount of time working on solidity math libraries.

Mary | Satoshi Club: It’s one of the most professional done tokenomics i have ever seen

And just one 6th question from this part left


Turbulence Wang: I’m OK with the next one

Q6 from Telegram user @yellowchamp

One of your Long-term topic is an xNFTEX in which NFT traded through AMM. So, can you tell us how does xNFTEX works? As NFT traded through AMM, what underlying risk we can expect from it? In other way, what advantage when NFT traded through AMM in XDefi platform?Thank you

D. | Satoshi Club: NFTs

Turbulence Wang: Let’s start mindstorming!


I shared very limited ideas about NFT liquidity. In the medium article, I mentioned several projects:

1. Unisocks: Socks auctioning at a Uniswap bonding curve. $100K per pair of socks to redeem this is INSANE!

D. | Satoshi Club: haha yeah

Mary | Satoshi Club: Ok, let’s go from this side

you’re great in math and another complex things

Explain in simple words how this will work

For example, Mary want to sell NFT

Turbulence Wang: 2. NFTX: A very active project cooperating with Axie NFTs and …. the famous HashMask project. HashMask are opened from Gatchas randomly, but in NFTX, HashMasks are repacked to Gatchas, and the price is still… 1.7ETH. About 800 Hashmask repacked Gatchas, all at 1.7ETH. NFTX shows a potential power in providing NFT liquidity

Think about a token issued with 0 digit in decimal … Theoretically, easy for Uniswap

and technically, a little bit harder for us but still OK

A concept is given in https://xdefilab.medium.com/on-knapsack-problems-auction-mechanisms-and-nft-standards-39438d48898d and I will copy a chapter here in this

in this tg channel

4 A Liquidity Design Proposed by xDeFiLabs

After referring to UniSocks, Perpetual Protocol, NFTX, and other projects, xDeFiLabs proposed a demo of the NFT Gatcha first-time auction system based on vAMM:

4.1 Mathematical model:

(vaE+ aE) * (aG+vaG) = C

4.2 Uniswap-style pool setup:

One side is the Ethereum pool, with Etherum amount aE.

There is also a number of virtual Ethereum of amount vaE.

On the other side is the NFT list. The composition of the list is {sold NFTs (wish list)}, and {unsold NFTs}. The length of the list is determined when initialized. {unsold NFTs} amount aG participates in the calculation, and the initial status of {sold NFTs (wish list)} is the empty set.

There is also a vaG parameter, the number of virtual Gatchas.

C is the constant product.

4.3 Bonding Curve

If a pool is initiated in the way that 4.1 and 4.2 proposed, gatcha price will go up (increasing marginal cost). Considering a relatively fair auction, the price of the last Gatcha in the pool will not be too expensive.

4.4 An Example:

Gatcha ask and bid prices will be discrete:

Ask price:


Bid price:


With some initial parameters setup:

1st Gatcha price fp= ~0.25ETH

Highest Gatcha price hp = ~1ETH

Initial aE = 0

Initial aG = 100

Virtual amount parameters will be deducted as:

vaG = sqrt(ep/sp) * Initial aG — Initial aG = 100

vE = (Initial aG +vaG)*fp = 50

C = vaE * (Initial aG +vaG) = 10000

Each time a Gatcha is bough from, or sold back to this pool, ask and bid price will shift accordingly.

4.5 Smart Contract Structure:

A A pool of ETH

B An ordered dictionary of ERC721, which records sold/unsold Gatcha status

C Parameters

D Contract calculating ask/bid logic, refer to Uniswap

E The confidential contracts and necessary random number generators.

F A front-end displaying necessary information.

The long-tail liquidity of the NFT marketplace will be stimulated, instead of an “Art Hype”, this setup is close to the logic of Italian art collectors to trade any possible combination of the collection in their community.

Okay a little bit verbose. The most important part is 4.5.E The confidential contracts and necessary random number generators. For example.. I’m a MTG fans (Magic the Gathering), if I want to exchange a planeswalker “Jace Beleren” out, I won’t be happy to receive an ordinary card. Maybe I’m happy with another card of extreme scarcity “Garruk”

How can we keep some of the information on NFT to be confidential, and other info revealed?

D. | Satoshi Club: yes, how?

Turbulence Wang: NFTX and Muse gave out simple answers. We will keep research on that.

Through another NFT standard, maybe

NFT has to reveal some of their information partially, to ensure “rare card for rare card”

This must be ensured. in NFTX the information is manually collected.

Mary | Satoshi Club: Oh, i am starting to understand

Turbulence Wang: We’re working on this one…

D. | Satoshi Club: so you are working on a new NFT standard?

Turbulence Wang: Rare card for rare card, you’ll get a market with higher liquidity since “NFTs are classified by their levels of value”

Mary | Satoshi Club: In simple words it means that i will be able to exchange one class nft for another with the same class, right?

Turbulence Wang: Not now, we get tons of work to do on xDEX

xNFTEX is really about a concept now. We collected some information about trading platforms, different standards on NFTs, and other technical topics like “order preserving encryption on solidity”


D. | Satoshi Club: [

Sticker ]

Turbulence Wang: Search “order preserving encryption on solidity” and Google gave me nothin

have to seek cooperation with other teams working on privacy stuff

Mary | Satoshi Club: This it what i have not seen yet, but i don’t have doubts that we will see with your help!

Turbulence Wang: Will keep research on that!

Mary | Satoshi Club: Give some topics to be covered for Google

Turbulence Wang:

Mary | Satoshi Club: Thank you for your answers! It was really great!

D. | Satoshi Club: indeed!

i think now it’s time for the second part of AMA

Mary | Satoshi Club: I think a small storm from our users won’t scare you

Turbulence Wang: I feel happy to have this chance sharing our ideas

Turbulence Wang: It’s Okay

Mary | Satoshi Club:

D. | Satoshi Club: @tturbulence_xDeFiLabs big thank you for answers in part 1! we will open chat for 2 minutes, after chat will be closed — you can start select questions from Satoshi Сlub members!

Mary | Satoshi Club: Let’s go


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