CKB Weekly #6

Hello, welcome to issue #6 of the CKB Weekly, a newsletter about the Nervos Common Knowledge Base blockchain and related technology. 

CKB hashrate growth was featured Our Network #24 - the on-chain metrics newsletter curated by Spencer Noon

Retweet to celebrate Lina’s growth!


Technical Updates


  • CKB [If you are curious about why a design in CKB is what it is now, please post your questions in this repository.]

    • Released v0.32.1

    • Improving RPC error messages and documentation

    • Implementing Chain Freezer to separate code and hot data in the database

    • Improving chain sync

  • Dev Tools

    • Lumos is starting to get into shape! We are still enhancing the documents but you can check out a sample project.

    • Capsule is also getting many new features such as debugger integration, latest Rust version upgrades, usability enhancements, and more.

    • We have started to work on yet another new project, it aims to build a full AOT compiler from WASM to RISC-V. With this new project, CKB will have the potential for full WASM integration.

  • Neuron

    • Released Neuron v0.31.0-rc1

    • Add transaction history export & language switch functionalities

    • Export more bundled CKB logs for debug info

    • New logic for fee settings

  • CKB Explorer

    • Launched v0.9.6

    • Added lots of charts for economic data and mining data

    • Added sUDT pages

    • Update home page style

Layer 2

  • Muta [layer2 framework on CKB]

    • Released v0.1.2-beta

    • (#250) Modify the method of serialization and deserialization of Bloom

    • (#242) Supply built-in service Util to provide keccak256 algorithm for other services

    • (#240) Implement proc macro for fixed codec trait

    • (#231) Privode new trust feedback in network

  • SECBIT Labs [Zero knowledge proof toolkit for CKB]


  • Supporting wallets - MathWallet, ABC Wallet, imToken, HyperPay, Bitpie, Cobo, Hoo, Renrenbit

  • Supporting mining pools - 13 [source:miningpoolstats]

  • Exchanges - 29 market pairs [source: coingecko

  • Lay2 [build dApp on CKB and run them everywhere] 

    • Optimize secp256r1 algorithm, and introduce wnaf method to optimize  verification process. The cycle needed to verify secp256r1 signature on CKB has been reduced to 25 million at present.

    • The design of pw-core is basically finalized, and second code refactoring and testing are in progress.

  • Obsidian Labs[developer IDE]

    • CKB Studio is open-sourced now!

    • Support Linux

    • Support the Aggron Testnet with ckb node v0.32.0

  • Synapse [browser wallet and keyper agency]

    • Released Synapse Extension v0.0.3.

  • BlockABC [onchain CKB and web auth]

  • GrowFi [token swap functionality] 

  • Obsidian Systems [CKB integration with ledger wallets]

  • Summa One [BTC/CKB interoperability]

“See the bigger picture” by Jake @Jacob_5

*CKB Weekly is curated by a group of people who witnessed Lina’s birth and started this to record her growth. Any views expressed are personal and do not represent an official position of the Nervos project. Got updates or articles you would like to include? Any feedback or other suggestions? Let us know by replying to the email.