Testnet PoC-2 Is Alive | Phala Updates v0.1.93
Highlights
Phala testnet PoC-2 is alive! PoA nodes have been implemented. Functions such as faucet, explorer, Gatekeeper voting will be alive soon as well;
Phala co-hosted an AMA with Orchid Protocol and Dimension, where we shared a brilliant discussion On Privacy After Cronavirous;
Hang was invited to Subsrate China Day and gave a Speech about Confidential Communication Implementation on Blockchain;
Phala joined Apache Teaclace Community on June 14.
Development
Phala testnet PoC-2 is alive! PoA nodes have been implemented. Functions such as faucet, explorer, Gatekeeper voting will be alive soon as well;
Ran validator maintenance tool online;
Implemented on-chain mapping between Gatekeeper and TEE;
Developing: customized Polkascan explorer; faucet; Gatekeeper campaign.
Developing an automatical installation script for TEE miners.
Community
Telegram: 506
Discord: 111
Twitter Follower: 3.570
Chinese: 6,375
WeChat Account Follower: 6,110
Activity
Phala co-hosted an AMA with Orchid Protocol and Dimension on June 18, where we shared a brilliant discussion On Privacy After Cronavirous;
Hang was invited to Substrate China Day and gave a Speech about Confidential Communication Implementation on Blockchain;
Hang wrote an article — Should We Kick Hardware out of Blockchain? — which will be published soon on Medium, answering questioning against Cybex dark pool.
Phala Calender
Soon Testnet campaign (and a secret little game)
6.28 AMA with another famous project
7.5-7.6 Present at Hangzhou blockchain week jointly hold by Hangzhou government and 8bit.
About Phala
A Substrate-based confidential smart contract blockchain on which you can develop confidential-preserving and privacy-first blockchain apps. Member of Substrate Builders Program starting lineup. Recipient of Web3 Foundation Grant.

Phala Updates v0.1.92
Highlights
Attended Web3.0 Bootcamp Seminar “ Lesson 15: Privacy Protection on Blockchain" hold by Wanxiang Blockchain;
Had over 5,000 participants in Phala Spacefleet Competition (China).
Development
Token transfer from TEE to chain is alive on Phala Network;
Completed on-chain pRuntime registration;
Completed development of Gatekeeper Staking module;
Visualized development progress on Github.

Community
Chinese: 6,556 (+28.93%)
International: 615 (+1.82%)
Global Followers: 9,455
Processing documentation and event designing of testnet PoC-2.
Activity
Welcome 3 new members of Phala team: a designer, a front-end developer, a community manager 🎉
Till June 15, Phala has sent 104,163 PHA to over 7,500 addresses and spent $546.71 on gas fee.
Preview of the next upgrade
Phala testnet PoC-2 campaign will be ⚡A HIT⚡ you can’t miss:
🚀It will be the 1st fully-decentralized, node-accessible version with bilateral TEE-chain verification, which enables Phala network to be stable and scalable.
🎁There will be ENOUGH rewards for node running, Gatekeeper (Validator), nominators and players (yes, a game on-chain)
About Phala
The 1st Substrate-based confidential smart contract platform on which you can develop secret-preserving and privacy-protecting blockchain apps. Member of Parity Builders Program starting lineup. Winner of Web3 Foundation Grant.
🌐Official Website | Twitter | Github | Telegram | Forum
Phala Calender
▶ On-going — KSM×PHA Stakedrop
▶ On-going — Testnet PoC-1 Bounty
▶ On-going — SGX Testing Bounty
[June 18] — Light talk with Orchid and Maskbook from Dimension
[June 19] — Substrate China Day
[Comming] testnet PoC-2 event

1,000,000 KSM were staked in Phala Stakeedrop| Phala Updates v0.1.91
Highlights
The amount of staked KSM reached 1,000,000 at GMT 06:48 6–5–2020 in Phala Stakedrop. Only 60+ days left for new participants to stake and earn free PHA rewards, and all you need is 10 KSM and to leave it there for more than 30 days. Start staking →
Phala community reaches 5,000 people worldwide and the number of Phala follower is approaching 10,000
Testnet PoC-2 local test is running successfully on Phala team computers. Instructions and Announcements coming soon.
Development
Realized event sync from pRuntime to Substrate; bilateral event sync will be completed after merging.
Fixed the problem of overflowed fee rate on testnet PoC-2
Upgraded Substrate to 2.0-rc2 with better stability.
Started to use CI system
Developing: Testnet PoC-2 function demo; verification and performance testing module of pRuntime.
Community
Chinese: 5,085 (+108.31%)
International: 604 (+2.54%)
Global Followers: 9,385 (+5.57%)
Phala Spaceship Fleet event in Chinese community is coming to its end. More new members will join Phala community after fleet merging.
Completed bounty quests design in Chinese community; English bounties will be launched after we found a smart and easy platform for international users to join and claim.
Other
Improving Token Economy Whitepaper Beta to better resent the design and the incentive model and to further encourage TEE miners to provide TEE commuting power.
Had a preliminary plan about private computing application: data privacy and sharing, Defi support, Dapp.
Recruiting senior blockchain engineer, front-end engineer, and senior community manager. If you want to work or Remote-working with Phala, please drop your CV to marvin@phala.network
About Phala
A Substrate-based confidential smart contract blockchain on which you can develop confidential-preserving and privacy-first blockchain apps. Member of Parity Builders Program. Recipient of Web3 Foundation Grant.

PoC-2 Coming Soon | Phala Updates v0.1.9
Highlights
Presented at Chengdu station, Global Mining Forum🤘🏻
Successfully run the local test of testnet PoC-2 🚀
Spoke at an AMA about PRIVACY and DECENTRALIZED STORAGE with Crust Network on May 27
Development
Completed development Substrate-pRuntime PoS support
Successfully run the local test of testnet PoC-2 🚀
Recompiled codes for better stability and standability
Developing: testnet PoC-2 function demo; events sync from pRuntime to Substrate; verification and performance modules of pRuntime
Community & Growth
Chinese: 2,441 (+31.44%)
Global: 589 (+6.90%)
Global followers: 8,889
Activity
Presented at Chengdu station, Global Mining Forum; had over 300 new friends joining Phala world 🤘🏻
There have been 50 devices which passed the SGX test with over 3，000PHA rewards claimed🎁
NEW COMMUNITY BOUNTY PROGRAM ON THE WAY 🔥
Phala Calender
May 15 — Aug 15: KSM Stakedrop
May 10 — June 10: Phala Spaceship Fleet Competition [Chinese]
This week: node instruction and function introduction of launched testnet PoC-2 🚀
Next week: testnet PoC-2 events 🚀
About Phala
A Substrate-based confidential smart contract blockchain on which you can develop confidential-preserving and privacy-first blockchain apps. Member of Parity Builders Program. Recipient of Web3 Foundation Grant.

Phala Updates v0.1.8
Highlights
Will release good news about W3F Grant later together with W3F official
There have been 860,000 KSM staked for whitelist validators in total in KSM stakedrop. A participant who staked 1,000 KSM for 90 days would receive 31,000 PHA when the event ended according to the current distribution rule.
Development
Almost completed the development of testnet PoC-2.
Realized verifiable sync events into pRuntime.
Upgraded light verification module of pRuntime client which supports PoA and PoS (Babe+Grandpa)
Upgraded SGX SDK to fit the latest API of remote verification.
Developing PoS support of Bridge (related to PoC-2)
reverse events sync from pRuntime to Substrate
verification and performance testing modules of pRuntime.
Community
Chinese: 1857 (+15.7%)
International: 551
Global followers: 9,134
Recruited 2 new helpers in Chinese community.
Recruiting a new team member of Community & Growth in Chinese community.
Phala Calender
May 15 — Aug 15: KSM Stakedrop
May 10 — June 10: Phala Spaceship Fleet Competition [Chinese]
GMT May 27 10:00 am: attend an AMA with Crust Network, sharing opinions about private computation and decentralized storage. [Chinese]
GMT May 27 12:00 pm: attend “Online Summit: Borderless” hold by OG Group. [Chiense]
GMT May 28–30: invited to Global Mining Forum, Chengdu station
ASAP: Testnet PoC-2
About Phala
A Substrate-based confidential smart contract blockchain on which you can develop confidential-preserving and privacy-first blockchain apps. Member of Parity Builders Program. Recipient of Web3 Foundation Grant.

KSM Stakedrop Launched | Phala Updates v0.1.7
Highlights
Phala’s airdrop wave I — KSM Stakedrop — was launched on May 15! Till the moment this article published, according to Phala’s stakedrop tool, there’ve been 892,000 KSM staked to whitelist validators, reaching 33.04% of the our threshold line 2.7 million KSM, in which circumstance 100 KSM staked for 90 days would gain about 3,100 PHA return.
Phala Russian has established! Great thanks to Alex Morozov who helped to translate documentation from English to Russian. Пpиcoeдиняйтecь к pyccкoязычнoмy cooбщecтвy Phala Network!
Development
Completed development of Phala stakedrop tool: https://stakedrop.phala.network;
Upgraded Substrate to 2.0 alpha.8;
Developing Substrate-TEE two-way transfer;
Did testing about TEE mining performance.
Community
Chinese community: 1,611
International community: 550 (+12.02%)
Global followers: 9,065 (3.93%)
Activity
Launched Phala Helper Program for active members or keen followers to deeply participate in Phala community building;
Hold Phala Spaceship Fleet Contest in Chinese community, attracting over 5,000 participants and arising Phala’s branding strategy together with KSM stakedrop.
Marvin attended an AMA about testnet progress with Lurpis, CEO of Bifrost Network.

Phala Updates 0.1.6
Highlights
KSM Stakedrop Plan was officially announced, which won positive growth and attention from international followers.
Marvin, CEO of Phala, gave a short speech on the opening ceremony of Web3.0 Bootcamp.
Development
PoC-2 testnet:
Frontend adaption completed;
Integrating and running testing nodes;
Upgraded client-end node which supports BABE consensus.
2. Query tx receipts waiting to be merged;
3. On-going development:
PoC-2 testnet before-launch testing
frontend of KSM Stakedrop website
Community
Stats
Chinese: 1,637 (+6.78%)
International: 491 (+41.09%)
Global Followers: 8722 (+0.21%)
2. Launch Phala Helper Program in China. 2 Helpers have joined and will help with the management of Phala community, with 12 candidates waiting to be interviewed. English version coming this week.
Activity
Marvin attended MathShow #003 by MathWallet, sharing about Phala’s confidential smart contract technology and KSM stakedrop rules on May 8.
Hold KSM Stakedrop AMA on May 9 in our Discord server.
Launched Phala Spaceship Fleet event in the Chinese community.
Phala Calender
May 13 — Hobit Polkadot Ecosystem AMA
May 15 —Phala KSM Stakedrop
May 15 — Bifrost × Phala Testnet Introduction AMA
May 27 — OG Group Privacy Computing Talk
About Phala
An early Substrate-based confidential smart contract blockchain on which you can develop confidential-preserving and privacy-first blockchain apps. Member of Parity Builders Program starting lineup. Recipient of Web3 Foundation Grant.

Testnet PoC-2 & KSM Stakedrop On The Way | Phala Updates v0.1.5 (4.27–5.3)
Highlights
Phala was enrolled by Web3.0 Bootcamp jointly hold by Web3 Foundation and Wanxiang Blockchain;
Testnet PoC-2 is ready to launch! It will support a decentralized network that supports Gatekeeper nodes and NPoS for nominators to stake for the Gatekeepers;
KSM Stakedrop will be launch on May 10 with development and communication work completed;
Hang gave a lightning talk at Sub0; Marvin attended Polkadot Round Table Talk and an online workshop with DARWINIA and other Polkadot ecosystem projects.
Completed development of ERC20 contract and delivered 7390 PHA to all the prize winners. Transfer will not be available until mainnet / listing launches.
Development
Completed development of testnet PoC-2;
Upgraded Substrate to 2.0 alpha.6
Completed development of KSM Stakedrop tool;
PHA as an ERC20 token is launched and published on Github;
Developed the truffle/hdwallet-provider which will be open-source in the future.
Completed gateway design of Phala’s mining hardware Sintenel; start working on a built-in Internet and the Intranet penetration.

Community
Chinese: 1533 (+17.02%)
International: 348 (+2.95%)
Global Followers: 8704 (+2.02%)
Opened our official Discord chatroom: https://discord.gg/zzhfUjU
Completed prize PHA delivery of former events.
Activity
Phala was enrolled by Web3.0 Bootcamp jointly hold by Web3 Foundation and Wanxiang Blockchain;
Hang gave a lightning talk at Sub0; Marvin attended Polkadot Round Table Talk and an online workshop with DARWINIA and other Polkadot ecosystem projects.
Phala Calender
UTC May 7 11:00 am: Marvin will present himself at the opening ceremony of Wanxiang Web3.0 Bootcamp
UTC May 9 11:00 am: KSM Stakedrop Introduction AMA
UTC May 10: KSM Stakedrop officially launched (expected)
About Phala
The 1st Substrate-based confidential smart contract platform on which you can develop secret-preserving and privacy-protecting blockchain apps. Member of Parity Builders Program starting lineup. Winner of Web3 Foundation Grant.

KSM Stakedrop On The Way | Phala Updates v0.1.4 (4.20–4.26)
Highlights
The first-of-its-kind stakedrop based on Polkadot ecosystem — KSM Stakedrop — is on the way with 16 KSM Validators joining us and most of the development work completed; A FEAST FOR POLKADOT & KUSAMA COMMUNITY IS ABOUT TO START 💃🏻
400+ PRIVATE TOKENS were created on testnet PoC-1!
30+ equipment had passed the SGX testing! (Congrats to them! They are ready to mine PHA now 😏)
Upgraded version of Substrate.
Development
Completed scripts and backend development of KSM Stakedrop website;
Completed ERC20 contract development of PHA which will be integrated soon;
Upgraded version of Substrate which will run testnet PoC-2 and realize NPoS around May 1;
Upgraded Phala mining hardware to Sentinel 2.0; completed SSH mining hardware; coding OTA program.
Community

Gave away 1000PHA in the warm-up for Polkadot Round Desk Talk.
Activity
Hang will join Sub0 Developer Conference and give his lightning talk about “The Web3 Confidentiality Layer” at 🗓CEST 6:50 pm, 28 April.
Over 16 KSM validators have joined the whitelist of KSM Stakedrop program 😎;
Gave a closed-door talk at Tencent Blockchain.
Had a short meeting with Oasis Labs on international confidential smart contract standard.

W3A Demo Released | Phala Updates v0.1.3 (4.13–4.19)
Highlights:
Hang did a showcase about W3A demo and shared how to build a confidential smart contract on Web3 Builders;
Released The concept video of Web3 Analytics;
pLIBRA has passed Milestone II verification of Web3 Foundation.
Development:
Completed client-end development of W3A; started demo testing for developers;
Completed development work scripts of Wave I airdrop campaign;
Completed the gateway matching of Phala’s mining hardware, starting over-the-air programming; also improving it and adding functions according to user feedback.
Community
Hold PHA giveaways for Web3 Builders talk and Jinse Caijing AMA;
Had 175 audiences watched Hang’s share on Crowdcast and 75 audiences on Bilibili;
Translated and published How Apple and Google are tackling their COVID privacy problem.

W3A Demo Completed | Phala Updates v.0.1.2 (4.6–4.12)
Highlights:
Phala was listed in Polkadot Lightpaper as one of the “Friends of Polkadot & Substrate”;
Web3 Foundation Team published Web3 Builders: Phala Network and Web3 Analytics;
The event of testnet PoC-1 has come to its end, with 264 private tokens and 200+ forum topics created by over 100 participants.

Development:
Completed W3A Demo development; will showcase it on Web3 Builders talk;
Improved the plan of PHA airdrop wave I: KSM Stakedrop;
Got Intel SGX commercial license;
Improved UI design of testnet PoC-1;
Migrate W3A servers;
Developing the testnet faucet on Riot.
Community:

Closed PoC-1 testnet bounty program with user activity beating expectations 🎉;
Promoting Web3 Builders talk with Polkadot official.
About Phala
The 1st Substrate-based confidential smart contract platform on which you can develop secret-preserving and privacy-protecting blockchain apps. Member of Parity Builders Program starting lineup. Winner of Web3 Foundation Grant.

Testnet PoC-1 Launched | Phala Updates v0.1.1 (3.30–4.5)
Mainnet
Launched testnet PoC-1 which has private transfer and private token with 4 bounty quests. Until GMT 11:30, Apr.5th, there have been 209 privacy tokens and 305 contract innovations on testnet; 56 users have completed Quest I (to transfer and issue their own privacy tokens). For the full list of reward giving, you may refer to the doc on our Github;
Added a search function on testnet; faucetbot, Substrate update, and UX improvement is under development according to advice from the community;
Fixed an error on Polkadot-js: Throws an error when signing with a locked keypair;
Improved user experience on Phala forum;
Web3 Analytics:
Almost completed all pages of frontend development;
Improving the structure of backend to perform a better authorization design of data rental and standardized protocols.
Community:

Launched the PoC-1 testnet bounty program on our forum, where over 100 topics have been created for event discussion. For the full list of reward giving, you may refer to [the doc on our Github](https://github.com/Phala-Network/phala-docs/wiki/100.-Contribution-&-Rewards
Had over 5,000 messages discussing testnet evet in our community groups last week with an impressive activity rate of 45.47%. Harvested over 2,600 impressions and clicks on contents related to Phala testnet;
Translated Yuval Noah Harari: the world after coronavirus from English to Chinese.
Activity:
Hang Yin attended zkSummit5.
On 5th April, Zhe Wang, COO of Phala Network, shared his experience as a serial entrepreneur at CampusVC.
About Phala
The 1st Substrate-based confidential smart contract platform on which you can develop secret-preserving and privacy-protecting blockchain apps. Member of Parity Builders Program starting lineup. Winner of Web3 Foundation Grant.

PoC-1 Testnet Is Ready | Phala Updates v0.0.7
Mainnet:
Completed development of PoC-1 testnet (POA & Single Node TEE) which will be launched on March.30th! Candy program will start soon after the testnet launches;
Configuration parameters of offcial mining hardware “Sentinel” are settled. Online sale and assembling service will be available next week;
3 more motherboards passed our test. Now we have 17 types of motherboards tested in “The Privacy Awakens” program.
Officially published Phala Token Economics Whitepaper on our website.
Product: Web3 Analytics
Completed UI development of user client;
Completed debugging of API;
Completed 90% of frontend development.
Community

Rounded off our Twitter airdrop with Math Wallet as 200 KSM sent to all winners! We now have 3,224 followers on Twitter.
Over 150 participants attended our “Token Economics Whitepaper Quiz Game” in Chinese community and 73 winners won rewards for their speed and talent at last.
Uploaded 5 episodes of “Learn Phala’s Token Economics in 5 Minutes” videos and claimed over 900 clicks. English version will be uploaded to Youtube as well

Phala Updates v0.0.6 (3.16–3.23)
Mainnet:
Submitted the Grant-Millstone2 Report to Web3 Foundation; Applying for a new Grant for W3A
Redesigned our official website and refined descriptions to better fit our branding.
Officially launched the Chinese version of our Token Economics Whitepaper followed by a bounty quiz game. English version and event is coming soon
Completed the design and assembling of our demo miner. Will put it into mass production soon. By the way, over 10 participants have passed the motherboard test with our instruction!
Planning on KSM Airdrop and looking for cooperation from KUSAMA nodes.
W3A Analytic Tool:
Completed backend development;
Composing developer documentations.
Community:
Brief:

Activities:
Marvin Tong wrote an article about the data leak of Chinese Twitter “Weibo” and BECAME A HIT on Chinese websites with over 500k clicks.
Hang Yin was invited to an online Polkadot forum hold by BIKI Exchange and shared Phala’s opinion about the future of Polkadot and privacy protection.
Hold a giveaway event on Twitter with Math Wallet, attracting over 2.5k new followers and 100 new members in our Telegram group.
Launched “The Privacy Awakens” program.

Phala Updates v0.0.5 (3.9–3.15)
Mainnet：
Completed the development of W3F Grant Milestone2; will sum up all works and submit next week;
Started to work on the Intel SGX Commercial License;
Launched “The Awakening of Mining” event to collect compatible mainboards as the first step to build our TEE miner ecosystem;
Completed miner hardware design (blueprint, mainboard assembling, system installing, outfit design) and sent materials to our vendor;
Reached specific cooperating agreements with Crust, a decentralized storage protocol on Substrate.
W3A Product:
Completed the development of all APIs of UI;
Working on the verification of the data visualization UI with collected data;
Developing the API for user data authorization and settings.
Community:
Hold an AMA with Jinse Financial;
Data of Chinese community:
members: 783
media exposure: 119,412
Data of international community:
members: 95
Twitter followers: 214

Phala Updates v0.0.4 (2.28–3.08)
Mainnet:
Completed Phala Economic Whitepaper; under review by experts; will be released next week;
Milestone 2 Demo finished 95%:
End-to-end encryption of commands and queries;
Identification verification of queries;
Implemented Confidential ERC-20 contract;
Web UI for transferring and balance querying;
3. Completed miner assembling and testing. Writing tutorials for testing bounty event next week.
Web3 Analytics:
Almost finished the logic of general user data and behavior analysis.
Fixed bugs found in frontend integration tests.

Community:
We are now part of Parity’s Substrate Builders Project Wave I, which would greatly help our project to develop with more support from Polkadot team.
Contents creation:
What Are We Talking About When We Talk About PRIVACY
Enigma: MPC or TEE?
English and Chinese version of Phala FAQ
Data of community and growth:
WeChat Subscription Account Followers: 341 (+53)
Twitter Followers: 203 (+32)
Telegram Group: 94 (+4)
Exposure via all media: 111,274

Phala Updates v0.0.3 (2.24–2.29)
Mainnet:
Communication encryption between TEE-SDK (ECDH + AES-GCM);
Web UI skeleton for Milestone 2;
Researched protocol messages encryption (command & query) and tokenization;
Mainnet economics: Simulation on the economic design.
Various TEE Miner hardware compatibility tests and composability tests; Named a list of qualified suppliers with standards of configuration and pricing determined.
Web3 Analytics:
Launched the first Frontend and fixed bugs;
Fundamentally completed backend algorithms and APIs;
Researched computation implemented in confidential contracts.
Community:
Applied contribution point system to promote community activity;
Recruited one volunteer in assistance of translation (many thanks to him);
Published an article of AMA review on Medium;
Completed account building on Facebook/LinkedIn/Reddit/Crunchbase.
Data of community and growth:
[Chinese Community]
Followers on WeChat subscription account: 288 (+66)
Total UV of published articles on WeChat: 1,874 (+724)
Total UV of published articles on other media: 20,112 (+15,413)
[International Community]
Followers on Twitter: 171 (+171)
Members in Telegram Group: 90 (+22)
Media Exposure: 9,233 (+5,967)

Phala Updates v0.0.2 (2.17–2.23)
Mainnet：
Almost completed the Milestone 2 of the Grant (Congratulations to our devs!); implemented Substrate-TEE bidirectional validated bridge;
Researched on ECDH + AES-GCM communication encryption and ERC20 Demo module;
Prepared documents and demos for Milestone 2 submission
Refined our Economic Whitepaper. Will publish in bilingual version (English and Chinese);
Prepared a list of credited miners for the upcoming launch.
Product (Web3 Analytics)：
Completed backend interface with mocked API;
System integration will be done by the end of next week;
Researched on user documents: instruction, user agreement, and privacy policy.
Community：
Hold an AMA about our technology and product with Ourea Community at UTC 12:00, Feb.20, with 40KSM give-away;
Have over 200 followers on WeChat Subscription Account, 160 followers on Twitter, over 650 people in 3 WeChat groups and 85 people in our official Telegram group;
Over 5,000 people read our articles on Chinese blockchain media.
Finished design and brainstorming of our community building plan which will be executed by next Monday.

Phala Updates v0.0.1 (2.9–2.16)
Mainnet:
Implemented TEE side Substrate light validation client;
Export consensus data from Substrate side;
Consensus data transmission in Substrate-TEE bridge;
Researching communication encryption.
Product:
Front-end development
Community:
Reached cooperation intention on Intel SGX certificate, TEE data storage and token economy with another Substrate-based project Crust;
Built Phala’s subscription account on WeChat and completed a cold-start;
Held an AMA with Liandu and Sky.io;
Applied for “Web3.0 Bootcamp”.

Phala Stakedrop AMA is starting soon at GMT 11:00 am today. If you have any questions about us or stakedrop, please join https://discord.gg/Z4Xg67H, and submit your questions via  https://forms.gle/pqdZYVpsePgScfga6!

question list for now:

-  What performance should we expect from $KSM in a possible bull run? Also How do you handle the issue of risk of the community breaking up when $KSM price falls?
- will phala be releasing main net in the near future?
- What is Kusama?

Resources:
- What is Kusama https://kusama.network/
- How to claim KSM https://wiki.polkadot.network/docs/en/kusama-claims