testnet

According to Decrypt, DogeOS has announced the launch of its application layer public testnet based on Dogecoin.DogeOS is an EVM-compatible application layer network designed to allow developers to build applications on the Dogecoin ecosystem. The testnet transaction fees are paid in DOGE, and projects such as lending protocols, perpetual contract trading platforms, stablecoins, and prediction market aggregators have already been integrated.DogeOS was initiated by the MyDoge wallet team, utilizes zkVM technology, and operates as an independent layer without altering the Dogecoin base layer. The official mainnet launch date has not yet been announced.

DogeOS, the application layer of Dogecoin, launched its public testnet on Wednesday, introducing EVM-compatible smart contracts to the Dogecoin network as a zero-knowledge rollup, with DOGE as the native token for transaction fees. The project aims to support applications such as trading, lending, stablecoins, prediction markets, and gaming, while settling state back to the Dogecoin network.DogeOS currently uses a trusted execution environment, validators, and a permissioned sequencer to ensure network security. Future proposed upgrades to Dogecoin Core will allow Dogecoin miners to directly verify their execution proofs. DogeOS CEO Jordan Jefferson stated that Dogecoin does not currently verify ZK proofs on its own, and bridging state transitions requires valid proofs as well as signatures from a majority of validators and TEE signers. He mentioned that the team is currently focused on the public testnet, allowing developers time to build and test applications, with the mainnet timeline to be announced upon reaching the next development milestone.DogeOS comes from the MyDoge wallet team, which announced a $6.9 million funding round led by Polychain Capital in May 2025. Two months later, the DogeOS team submitted a proposal for a Dogecoin Core upgrade to add native ZK proof verification for Dogecoin, but this upgrade has not yet been implemented. Timothy Stebbing, a director of the Dogecoin Foundation, expressed hope that DogeOS will serve as a springboard for a new wave of practical engineering.

The Ethereum Foundation announced that the Ethereum network upgrade Glamsterdam will be activated on the Sepolia testnet on October 6 at 21:53:36 Beijing time, corresponding to epoch 353024 and slot 11296768. The activation date for Hoodi and the mainnet has not yet been determined.Glamsterdam combines the execution layer Amsterdam upgrade and the consensus layer Gloas upgrade. Key changes include the embedded proposer-builder separation and block-level access lists to enhance L1 throughput, as well as adjustments to gas billing to better reflect the costs of execution and state growth. Node operators must update their execution layer and consensus layer clients before activation. Contracts relying on fixed gas assumptions may need to be modified.

According to CoinDesk, the Solana consensus upgrade Alpenglow has completed the switch to Testnet and Devnet on September 24 and 25, respectively, and is currently running on the two major public test networks, allowing application teams to test compatibility before launching on the mainnet. Alpenglow aims to reduce the final confirmation time from about 12.8 seconds to approximately 150 milliseconds by allowing validators to exchange votes directly instead of writing votes as transactions into blocks, enabling consensus to be reached within one to two rounds of voting.The Solana Foundation reminds that the transaction statistics containing validator votes may decrease after the upgrade, but user payments and transaction volume may not necessarily decline; applications that simply send transactions and read account balances do not need to migrate. The 150 milliseconds is a simulated target and has not yet been validated in a real mainnet environment, and wallet processing and exchange deposit confirmations may still increase waiting times. The exact date for the mainnet launch has not yet been announced.

The Solana core consensus upgrade Alpenglow has officially entered the second public test network, and the transaction settlement delay is expected to be reduced from approximately 13 seconds to 150 milliseconds.

The Alpenglow upgrade of the blockchain network Solana has entered the public testnet, where developers will test reducing transaction finality from about 13 seconds to 0.15 seconds, or 150 milliseconds. This upgrade will replace Solana's existing TowerBFT consensus system with Votor, allowing validators to confirm blocks through one to two rounds of direct voting, but the way users send funds will not change.The first testnet migration requires using Agave 4.3 and does not currently support Firedancer or Frankendancer. The mainnet update on September 28 is still a tentative arrangement and not a confirmed launch date for Alpenglow.

According to official news from Kinetiq, the first L2 network of the Hyperliquid ecosystem, Elysium, has launched its testnet.It is reported that Elysium is a general-purpose, high-performance L2 network built specifically for Hyperliquid, settling to HyperEVM, and co-located with HyperCore, with HYPE as its native gas token. Elysium is currently running Conduit’s G2 sequencer on an architecture that meets SOC II Type 2 standards.

Ethereum developers warn: Attackers can exploit free testnet ETH and one-time builder identities to win Sepolia block auctions and withhold transaction payloads during the Glamsterdam testing period.This attack does not threaten mainnet funds but may disrupt infrastructure testing. The Sepolia public test is scheduled to launch on October 6, with the Hoodi test tentatively set for October 27, and the mainnet activation time is still undetermined.

Arthur Hayes posted on the X platform that the FLOP token on the FLOP Labs testnet will be exchanged for the mainnet FLOP token at a pending ratio, and it will support trading with real funds through its HTLC protocol.Incentives for miners, validators, or agents participating in the FLOP Labs testnet will increase.

According to a report by Christine D. Kim, Ethereum developers confirmed at the ACDC #186 meeting that the Glamsterdam upgrade will be activated on the Sepolia testnet on October 6 at 13:53 UTC. However, there is significant uncertainty regarding this upgrade—currently, the latest private testnet Glamsterdam-Devnet-9 is not stable, and a serious vulnerability has been discovered in the consensus layer that could cause the entire network to stop producing blocks. The execution layer EIP-8037 also has bugs that need to be fixed.Developers will launch Devnet-10 in the coming weeks, and if Devnet-10 remains unstable, the Sepolia upgrade date may be postponed. The activation schedule for the Hoodi testnet and mainnet is currently undetermined, and whether the goal of launching the mainnet by the end of the year can be achieved remains uncertain.

Circle's blockchain Arc tweeted that the transaction memo feature is now available on the testnet.Developers can attach structured context to a single contract call without modifying the existing contract. Applicable scenarios include invoice numbers, payment reference numbers, customer IDs, and reconciliation tracking.

Flop Labs CEO Arthur Hayes announced that the FLOP Network v0.5.0 yellow paper draft has been released, proposing an AI inference measurement and settlement network based on Substrate/FRAME, utilizing the BABE block production and AlephBFT finality mechanism.The project's official roadmap indicates that the FLOP testnet is planned to launch in Q4 2026, with token airdrops through participation in testing, and the mainnet target is set for Q1 2027; currently, the yellow paper remains a draft, and several parameters and mechanisms have yet to be finalized.

The cultural signal trading platform Noise announced that the testnet will close on Friday, September 11 at 9 AM (Eastern Time), and the mainnet is about to launch. Noise was founded on the idea that cultural insights should have economic value, and the mainnet will transform this idea into a market where users can curate and trade cultural signals and earn rewards by discovering important content in advance.Credits purchased during the testnet will receive equivalent rewards on the mainnet, only the purchased Credits are eligible; reward Credits, earned Credits, and testnet trading balances will not transfer. Noise thanks users who participated in trading, curation, and providing feedback, stating that they helped shape the product and build the first community. Details about the launch and some surprises will be announced soon.

QuFi Network launched a post-quantum verification platform and completed proof of concept on the Bitcoin testnet.The platform aims to address the security threats of quantum computing to crypto assets at a low cost by separating verification from settlement.

The core development team of Solana, Anza, announced that the Solana testnet has enabled the first phase of the SIMD-0437 proposal, and the account rent reduction mechanism has begun testing. This proposal includes a total of 5 functional gates, with only the first functional gate currently activated, and all adjustments have not yet been completed and deployed to the mainnet.Once all 5 phases are completed, the storage cost parameter lamports_per_byte for Solana will be reduced from 6960 to 696, resulting in an overall reduction of 90%. For example, in the case of token accounts, the deposit required to maintain an account in a rent-exempt state is expected to decrease from approximately $0.16 to $0.016, thereby lowering the costs of account creation and application deployment.

Arthur Hayes updated on the X platform stating: The FLOP airdrop eligibility will depend on users' testnet activities. The testnet token faucet will be launched on Technocore.chat, and users will need to access it through the DID keys provided by the AI agent.Previously, Hayes revealed that the FLOP is planned for a large-scale airdrop in the fourth quarter of 2026, with an expected 20% of the total token supply to be airdropped to testnet participants, distributed over 10 years------this may be adjusted later, and the purpose of announcing this figure is to collect user feedback. The FLOP token is expected to become one of the top two tokens in the cryptocurrency market.

HyperliquidNews posted on the X platform that tracking stop-loss orders have been launched on the test network.

According to a post by @0xMaxs, Hyperliquid core contributor Xulian is publicly soliciting feedback on the latest testnet template for HIP-4. The template can be accessed via on-chain queries or the testnet API, with each template family identified by an incrementing integer suffix for the latest version. After collecting feedback, validators will review and vote on-chain, and only approved templates will be written to the mainnet for deployers to use; all template instantiations still depend on HIP-4 being enabled on the mainnet.It is reported that the testnet currently has 16 template records (including old versions), with approximately 12 latest templates based on the highest version of each family, covering 7 types of market structures. Candidate types include expiration prices (settled using specified period TWAP), price-triggered markets, range earnings, as well as central bank decisions, sports two-way options, and sports win/draw/loss, etc. The mainnet outcomeTemplates and deployer list are currently still empty, and permissionless templates have not yet been officially opened.HIP-4 is Hyperliquid's permissionless deployment standard for outcome/prediction markets, with the complete process being: community feedback, validator review, on-chain voting, template writing to the mainnet, and market creation by deployers once the switch is enabled.

The Ethereum Foundation's DevOps team announced the launch of the Platåberget testnet as an early public testing environment for the Glamsterdam (Gloas + Amsterdam) upgrade. This testnet is open to the community and is planned to run for several months, providing developers with a stable experimental platform to identify and fix issues before the upgrade is deployed to long-term testnets like Sepolia and Hoodi. The Glamsterdam hard fork is scheduled to activate on August 20 on this testnet.The Glamsterdam upgrade includes several significant changes to both the consensus layer and execution layer, including built-in proposer-builder separation (ePBS), block-level access lists (BALs), gas repricing targeting approximately 200 million gas, an increase in the maximum contract deployment size from 24KiB to 64KiB, an increase in the initcode limit from 48KiB to 128KiB, and forward-compatible consensus data structures. Relevant EIPs are summarized in meta EIP-7773. Gas repricing will affect wallets, indexers, and gas estimation tools, and any tools with hard-coded maximum gas limits will need to be updated; EIP-8037 also introduces an independent state gas dimension, where new accounts or writing to new storage slots will be charged by state bytes.The Platåberget validator set is small and allows public participation, supporting deposits from validators or builders submitted through the Dora browser. The testnet provides one-click resources to add networks, faucets, and client images. The community can provide feedback on issues in the Ethereum R&D Discord and related specification repositories.

SolanaFloor stated that the first block time adjustment for Solana under the SIMD-0525 framework will go live on the testnet within two hours.This adjustment lowers the target block time from 400 milliseconds to 350 milliseconds, marking the first step in a four-phase plan to achieve a target block time of 200 milliseconds.