# Kaia **URL:** https://devforum.kaia.io/c/english/kaia/33.md [최신](https://devforum.kaia.io/latest.md) · [카테고리](https://devforum.kaia.io/categories.md) · [태그](https://devforum.kaia.io/tags.md) --- ## [About the Kaia category](https://devforum.kaia.io/t/about-the-kaia-category/5192)
**Author:** [@terri\_tory](https://devforum.kaia.io/u/terri_tory)\ **댓글:** 0\ **마지막 업데이트:** [5월 16, 2022, 8:29오전 UTC](https://devforum.kaia.io/t/about-the-kaia-category/5192 "2022-05-16T08:29:34Z")
Hi all! This category is devoted to development on the Klaytn blockchain platform . Any questions pertaining to Kaia technology are welcome. Simply open a new topic, and ask what you want to know. Remember, there are… --- ## [Security Notice: @buildonkaia X account compromised (as of Feb 2, 2026, 12:30pm KST)](https://devforum.kaia.io/t/security-notice-buildonkaia-x-account-compromised-as-of-feb-2-2026-12-30pm-kst/9077)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 3\ **마지막 업데이트:** [4월 13, 2026, 4:16오후 UTC](https://devforum.kaia.io/t/security-notice-buildonkaia-x-account-compromised-as-of-feb-2-2026-12-30pm-kst/9077 "2026-04-13T16:16:58Z")
As of Feb 2, 2026, 12:30pm KST, the @buildonkaia X/Twitter account is compromised. Please do not trust any posts or DMs from that account, and do not: click links connect your wallet sign transactions Scope: This inc… --- ## [Incident Report: GCP Infrastructure Disruption on Feb 20 (Fully Resolved)](https://devforum.kaia.io/t/incident-report-gcp-infrastructure-disruption-on-feb-20-fully-resolved/9088)
**Author:** [@erickchandra](https://devforum.kaia.io/u/erickchandra)\ **댓글:** 3\ **마지막 업데이트:** [4월 3, 2026, 6:26오후 UTC](https://devforum.kaia.io/t/incident-report-gcp-infrastructure-disruption-on-feb-20-fully-resolved/9088 "2026-04-03T18:26:10Z")
On February 20 at 05:17 KST (20:17 UTC, Feb 19), some of our infrastructure and services experienced an interruption due to an issue on Google Cloud Platform (GCP). This affected a minor subset of nodes and endpoints on… --- ## [Kaia v2.2.2 is out!](https://devforum.kaia.io/t/kaia-v2-2-2-is-out/9091)
**Author:** [@erickchandra](https://devforum.kaia.io/u/erickchandra)\ **댓글:** 3\ **마지막 업데이트:** [4월 3, 2026, 10:59오전 UTC](https://devforum.kaia.io/t/kaia-v2-2-2-is-out/9091 "2026-04-03T10:59:53Z")
v2.2.2 introduces new features and improvements, along with a critical change for developers: the zero address (0x0) will be converted from a contract account to an EOA. The hardfork is scheduled for approximately one m… --- ## [Indexing Kaia with Goldsky: Subgraphs (GraphQL) + Mirror (replicate raw data)](https://devforum.kaia.io/t/indexing-kaia-with-goldsky-subgraphs-graphql-mirror-replicate-raw-data/9074)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [1월 29, 2026, 8:01오전 UTC](https://devforum.kaia.io/t/indexing-kaia-with-goldsky-subgraphs-graphql-mirror-replicate-raw-data/9074 "2026-01-29T08:01:18Z")
TL;DR Production features (activity feeds, dashboards, cross-contract filtering) usually outgrow ad-hoc RPC queries. This guide walks through indexing Kaia with Goldsky using two approaches: Subgraphs (GraphQL APIs) a… --- ## [Kairos testnet: Kaia v2.2.0 Release Notes — Osaka hardfork @ block 209134000 (upgrade required)](https://devforum.kaia.io/t/kairos-testnet-kaia-v2-2-0-release-notes-osaka-hardfork-block-209134000-upgrade-required/9068)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [1월 28, 2026, 8:00오전 UTC](https://devforum.kaia.io/t/kairos-testnet-kaia-v2-2-0-release-notes-osaka-hardfork-block-209134000-upgrade-required/9068 "2026-01-28T08:00:54Z")
Kaia v2.2.0 is a Kairos testnet-only hardfork release (Osaka). Hardfork @ block 209,134,000 (~11 Feb, 10:30 UTC+9). Mainnet hardfork number will be specified in the next release. All Kairos testnet nodes must upgra… --- ## [Kaia v2.2 Overview — Ethereum compatibility work planned for 2026 (v2.2.0, late Jan testnet)](https://devforum.kaia.io/t/kaia-v2-2-overview-ethereum-compatibility-work-planned-for-2026-v2-2-0-late-jan-testnet/9062)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [1월 26, 2026, 8:00오전 UTC](https://devforum.kaia.io/t/kaia-v2-2-overview-ethereum-compatibility-work-planned-for-2026-v2-2-0-late-jan-testnet/9062 "2026-01-26T08:00:01Z")
TL;DR Kaia v2.2 is a compatibility + infra upgrade planned for early 2026. It focuses on: Blob transactions (EIP-4844) for data availability foundations, secp256r1 precompile (EIP-7951) for passkey/WebAuthn-style U… --- ## [Getting Started with Pyth Network Pull-Oracles on Kaia](https://devforum.kaia.io/t/getting-started-with-pyth-network-pull-oracles-on-kaia/9053)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [1월 19, 2026, 8:00오전 UTC](https://devforum.kaia.io/t/getting-started-with-pyth-network-pull-oracles-on-kaia/9053 "2026-01-19T08:00:59Z")
TL;DR Pyth pull-oracles let your app fetch a fresh price update on demand (instead of relying on scheduled “push” updates). This thread links to the tutorial and highlights the core mental models to design around. Ar… --- ## [We moved from Medium to blog.kaia.io (new home for Kaia technical posts)](https://devforum.kaia.io/t/we-moved-from-medium-to-blog-kaia-io-new-home-for-kaia-technical-posts/9050)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 2\ **마지막 업데이트:** [1월 16, 2026, 7:25오전 UTC](https://devforum.kaia.io/t/we-moved-from-medium-to-blog-kaia-io-new-home-for-kaia-technical-posts/9050 "2026-01-16T07:25:49Z")
TL;DR Kaia’s official blog has moved from Medium to http://blog.kaia.io. All new posts will be published there, and our existing Medium posts have been migrated over (Medium remains as an archive). What changed New… --- ## [Kaia MEV Auction (Mainnet) + Bid Fee Reimbursement Program — how Searchers can get started](https://devforum.kaia.io/t/kaia-mev-auction-mainnet-bid-fee-reimbursement-program-how-searchers-can-get-started/9046)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [1월 12, 2026, 8:07오전 UTC](https://devforum.kaia.io/t/kaia-mev-auction-mainnet-bid-fee-reimbursement-program-how-searchers-can-get-started/9046 "2026-01-12T08:07:42Z")
TL;DR Kaia MEV Auction is live on mainnet (slot-based design per KIP-249). We’re also running a limited Bid Fee Reimbursement Program to reduce onboarding friction for Searchers. Full article (with the key li… --- ## [HackenProof Bug Bounties: Workflow + SLA Update (Kaia Protocol & Kaia Web)](https://devforum.kaia.io/t/hackenproof-bug-bounties-workflow-sla-update-kaia-protocol-kaia-web/9028)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [12월 24, 2025, 8:00오전 UTC](https://devforum.kaia.io/t/hackenproof-bug-bounties-workflow-sla-update-kaia-protocol-kaia-web/9028 "2025-12-24T08:00:15Z")
TL;DR Policy updates are live on HackenProof (duplicates/repeats, scope incl. \*kaia.io exceptional cases, severity/payout rules). Only reports labeled “Triaged” by HackenProof proceed in the workflow. Updated SLA hig… --- ## [Building a Tokenized Yield Strategy Vault on Kaia with ERC-4626](https://devforum.kaia.io/t/building-a-tokenized-yield-strategy-vault-on-kaia-with-erc-4626/9013)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [12월 23, 2025, 8:00오전 UTC](https://devforum.kaia.io/t/building-a-tokenized-yield-strategy-vault-on-kaia-with-erc-4626/9013 "2025-12-23T08:00:28Z")
TL;DR ERC-4626 standardizes vault behavior (shares + accounting + deposit/withdraw lifecycle). This tutorial walks through building a simple ERC-4626 vault on Kaia and extending it into a yield strategy pattern. Wha… --- ## [\[Tutorial\] Using Chainlink Token Manager on Kaia – Deploy CCTs without code](https://devforum.kaia.io/t/tutorial-using-chainlink-token-manager-on-kaia-deploy-ccts-without-code/8997)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [12월 15, 2025, 9:48오전 UTC](https://devforum.kaia.io/t/tutorial-using-chainlink-token-manager-on-kaia-deploy-ccts-without-code/8997 "2025-12-15T09:48:32Z")
TL;DR: Learn how to deploy or upgrade tokens to be cross-chain compatible using Chainlink’s no-code Token Manager interface. As cross-chain interoperability becomes the default requirement for new projects, develope… --- ## [\[Infra\] Kaia v2.1.0 MEV auction system (KIP-249) on Kairos testnet](https://devforum.kaia.io/t/infra-kaia-v2-1-0-mev-auction-system-kip-249-on-kairos-testnet/8983)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 2\ **마지막 업데이트:** [12월 8, 2025, 8:00오전 UTC](https://devforum.kaia.io/t/infra-kaia-v2-1-0-mev-auction-system-kip-249-on-kairos-testnet/8983 "2025-12-08T08:00:02Z")
TL;DR Kaia v2.1.0 introduces an experimental MEV auction system (KIP-249 BidTx), now live on the Kairos testnet, that turns unstructured gas wars into sealed-bid auctions per block. What we shipped A new BidTx ty… --- ## [Kaia Next Builders Demo Day Highlights 👀](https://devforum.kaia.io/t/kaia-next-builders-demo-day-highlights/8982)
**Author:** [@erickchandra](https://devforum.kaia.io/u/erickchandra)\ **댓글:** 0\ **마지막 업데이트:** [12월 4, 2025, 7:49오전 UTC](https://devforum.kaia.io/t/kaia-next-builders-demo-day-highlights/8982 "2025-12-04T07:49:21Z")
It has been a week since the very first Kaia Next Builders Demo Day :eyes: If you do not have time to watch the full replay, here are the highlights :thread: Kaia Next Builders is a three month post hackathon track tha… --- ## [Experimental FlatTrie for archive nodes (v2.1.0) – when should you use it?](https://devforum.kaia.io/t/experimental-flattrie-for-archive-nodes-v2-1-0-when-should-you-use-it/8949)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [12월 1, 2025, 8:00오전 UTC](https://devforum.kaia.io/t/experimental-flattrie-for-archive-nodes-v2-1-0-when-should-you-use-it/8949 "2025-12-01T08:00:04Z")
We’re introducing an experimental FlatTrie mode for archive nodes in v2.1.0. As Kaia’s state grows, archive nodes become one of the biggest cost centres for anyone running: explorers indexers long-term analy… --- ## [\[Event\] Kaia Next Builders Demo Day – Livestream on Nov 26, 9 PM KST](https://devforum.kaia.io/t/event-kaia-next-builders-demo-day-livestream-on-nov-26-9-pm-kst/8895)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 2\ **마지막 업데이트:** [11월 26, 2025, 8:17오전 UTC](https://devforum.kaia.io/t/event-kaia-next-builders-demo-day-livestream-on-nov-26-9-pm-kst/8895 "2025-11-26T08:17:46Z")
We’re hosting the first Kaia Next Builders Demo Day on: Date: Wednesday, Nov 26 Time: 9:00 PM KST (8:00 PM HKT / 12:00 PM UTC) What this session is about Kaia Next Builders is our post-hackathon support track… --- ## [Bug bounties are now live on Kaia (Protocol + Web programs)](https://devforum.kaia.io/t/bug-bounties-are-now-live-on-kaia-protocol-web-programs/8914)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [11월 26, 2025, 6:03오전 UTC](https://devforum.kaia.io/t/bug-bounties-are-now-live-on-kaia-protocol-web-programs/8914 "2025-11-26T06:03:11Z")
Overview Bug bounties are now live again on Kaia, via HackenProof, with separate programs for protocol and web targets. If you’re a security researcher or whitehat, this is the primary way to report vulnerabilities … --- ## [\[Infra Series\] Kaia v2.1.0 – Storage compression for block data (new default + safe compaction)](https://devforum.kaia.io/t/infra-series-kaia-v2-1-0-storage-compression-for-block-data-new-default-safe-compaction/8892)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [11월 24, 2025, 5:13오전 UTC](https://devforum.kaia.io/t/infra-series-kaia-v2-1-0-storage-compression-for-block-data-new-default-safe-compaction/8892 "2025-11-24T05:13:26Z")
As part of our “What’s new in Kaia v2.1.0” infra series, we’ve published a deep dive on storage compression for block data. What changed in v2.1.0 Kaia now exposes a new default LevelDB compression flag for block-r… --- ## [Kaia v2.1.0 Release — MEV Auction (KIP-249), API/storage improvements (no hardfork)](https://devforum.kaia.io/t/kaia-v2-1-0-release-mev-auction-kip-249-api-storage-improvements-no-hardfork/8872)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 2\ **마지막 업데이트:** [10월 29, 2025, 6:00오전 UTC](https://devforum.kaia.io/t/kaia-v2-1-0-release-mev-auction-kip-249-api-storage-improvements-no-hardfork/8872 "2025-10-29T06:00:00Z")
\*\* Consensus Nodes (CN)\*\* Accept BidTx; Auctioneer connects via WS RPC (namespace: auction) to deliver winners (e.g., auction\_submitBid). Enable WS + limit API surface to auction; secure the endpoint (firewall/… --- ## [Building Cross-Chain NFTs on Kaia with Chainlink CCIP: A Practical Guide](https://devforum.kaia.io/t/building-cross-chain-nfts-on-kaia-with-chainlink-ccip-a-practical-guide/8817)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [10월 17, 2025, 1:20오전 UTC](https://devforum.kaia.io/t/building-cross-chain-nfts-on-kaia-with-chainlink-ccip-a-practical-guide/8817 "2025-10-17T01:20:46Z")
You’ll learn: Burn-and-mint pattern for NFT portability CCIP message flow + ccipReceive Route/chain enablement and transfer calls Paying fees in LINK or native End-to-end Hardhat steps Read the tutor… --- ## [Recap — Kaia Summit Demo Day Winners](https://devforum.kaia.io/t/recap-kaia-summit-demo-day-winners/8807)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [10월 7, 2025, 3:44오전 UTC](https://devforum.kaia.io/t/recap-kaia-summit-demo-day-winners/8807 "2025-10-07T03:44:02Z")
Last week: 575 hackers joined, 94 qualified submissions, 5 finalists pitched live. Thanks to finalists and judges from Kaia, LINE NEXT, Cicada, Ankr, Animoca, Caladan, Knight Fury, & X Wave Labs, Final Results (show… --- ## [Kaia + Chainlink CCIP = the bus system for Web3 cities 🚦](https://devforum.kaia.io/t/kaia-chainlink-ccip-the-bus-system-for-web3-cities/8801)
**Author:** [@erickchandra](https://devforum.kaia.io/u/erickchandra)\ **댓글:** 0\ **마지막 업데이트:** [9월 27, 2025, 2:28오후 UTC](https://devforum.kaia.io/t/kaia-chainlink-ccip-the-bus-system-for-web3-cities/8801 "2025-09-27T14:28:19Z")
What is Chainlink CCIP? It’s a cross-chain interoperability protocol enabling secure messaging & token transfers. Think of it like a bus route between cities. Each blockchain is a city, and CCIP is the bus that safely … --- ## [Chainlink CCIP lands on Kaia — building cross-chain apps just got easier](https://devforum.kaia.io/t/chainlink-ccip-lands-on-kaia-building-cross-chain-apps-just-got-easier/8799)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [9월 25, 2025, 8:11오전 UTC](https://devforum.kaia.io/t/chainlink-ccip-lands-on-kaia-building-cross-chain-apps-just-got-easier/8799 "2025-09-25T08:11:12Z")
What’s enabled Cross-chain messaging (trigger actions on other networks) Programmable token transfers (predictable, monitored moves) Rate-limited lanes (risk control by design) Audited security/monitoring … --- ## [Kaia Dev Connect with Google Cloud — RSVP now (Oct 2, 13:00–17:00 SGT)](https://devforum.kaia.io/t/kaia-dev-connect-with-google-cloud-rsvp-now-oct-2-13-00-17-00-sgt/8797)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [9월 25, 2025, 2:13오전 UTC](https://devforum.kaia.io/t/kaia-dev-connect-with-google-cloud-rsvp-now-oct-2-13-00-17-00-sgt/8797 "2025-09-25T02:13:00Z")
Venue: Google Developer Space, Singapore Audience: Developers and builders Focus areas Gas abstraction for production UX Interoperability/CCIP for cross-chain flows Tooling/SDK previews and guidance Stab… --- ## [Finalists Announcement — Kaia Wave Stablecoin Summer (Demo Day on Sep 30, Suntec)](https://devforum.kaia.io/t/finalists-announcement-kaia-wave-stablecoin-summer-demo-day-on-sep-30-suntec/8794)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [9월 24, 2025, 8:37오전 UTC](https://devforum.kaia.io/t/finalists-announcement-kaia-wave-stablecoin-summer-demo-day-on-sep-30-suntec/8794 "2025-09-24T08:37:29Z")
Schedule Sep 30 (Mon), 2:05–3:20 PM SGT @ Suntec Convention Space (Kaia Summit) 5 finalists → live pitches → judging → winner announcement Finalists (A–Z) KiloLend — Stablecoin-focused lending with AI assi… --- ## [USDT Faucet now live on Kaia](https://devforum.kaia.io/t/usdt-faucet-now-live-on-kaia/8791)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [9월 23, 2025, 9:56오전 UTC](https://devforum.kaia.io/t/usdt-faucet-now-live-on-kaia/8791 "2025-09-23T09:56:06Z")
What’s new Developers can claim 1 test USDT to support development and testing. Why it’s useful Simulate transfers and DeFi flows Run Mini-Dapp end-to-end tests Verify dashboards and metrics Access https… --- ## [T-1 — Submission Polish Checklist (final 24 hours)](https://devforum.kaia.io/t/t-1-submission-polish-checklist-final-24-hours/8787)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [9월 21, 2025, 12:29오전 UTC](https://devforum.kaia.io/t/t-1-submission-polish-checklist-final-24-hours/8787 "2025-09-21T00:29:20Z")
Deadline: Sep 21, 23:59 KST Checklist Repo README complete; list contracts (name + address) UI/dApp demo link included; Mini-Dapp works end-to-end Dune URL (mainnet) present and loads logged-out Team cont… --- ## [\[T-2\] Dune Dashboard Day — deadline tomorrow](https://devforum.kaia.io/t/t-2-dune-dashboard-day-deadline-tomorrow/8784)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 1\ **마지막 업데이트:** [9월 20, 2025, 6:39오전 UTC](https://devforum.kaia.io/t/t-2-dune-dashboard-day-deadline-tomorrow/8784 "2025-09-20T06:39:11Z")
Deadline: Sep 21, 23:59 KST Mainnet: Dune dashboard required (testnet: optional) Publish checklist Public Dune URL (works while logged out) Usage tiles: transactions, unique wallets, key flows Contrac… --- ## [EDCON 2025 MainStage Recap — Auction-based MEV on a gasless, high-performance EVM Mini-Dapp blockchain](https://devforum.kaia.io/t/edcon-2025-mainstage-recap-auction-based-mev-on-a-gasless-high-performance-evm-mini-dapp-blockchain/8781)
**Author:** [@sean.lin](https://devforum.kaia.io/u/sean.lin)\ **댓글:** 0\ **마지막 업데이트:** [9월 19, 2025, 9:53오전 UTC](https://devforum.kaia.io/t/edcon-2025-mainstage-recap-auction-based-mev-on-a-gasless-high-performance-evm-mini-dapp-blockchain/8781 "2025-09-19T09:53:27Z")
Speaker Neo Yiu (Head of Technology, Kaia) Talk focus Implementing an Auction-based MEV protocol on a gasless, high-performance EVM Mini-Dapp blockchain Developer notes Auction primitives for fair ordering un… [다음 페이지](https://devforum.kaia.io/c/english/kaia/33.md?page=1)