HashStack #024

Cash App to enable Bitcoin, Lightning and stablecoin payments.

Taiwan to consider Bitcoin as a strategic reserve, draft supportive legislation and pilot Bitcoin holdings using seized assets.

Bitcoin mining firm, Bitfarm, posts $46M loss as it unwinds its Bitcoin mining business to pivot into AI/HPC.

Metaplanet raised $135M in Class B preferred shares.  

Mt Gox transferred $936M in BTC to a new wallet.

Arkade, an Ark protocol implementation, launched with SDKs, wallet, BTCPayServer plugin, and other features.

Ethereum Foundation launched Ethereum Interoperability Layer. 

FG Nexus sold 11K ETH for share buybacks.

Revolut chooses Polygon as their crypto rails for stablecoin transfers and on/off ramp.

Vitalik introduced Kohaku, a privacy-focused framework for Ethereum by the Ethereum Foundation and key stakeholders.

MegaETH introduced Frontier, its mainnet beta release.

Aztec launched an L2 chain named Ignition chain.

ZkSync passed ZIP-14, an upgrade that adds public and role-gated token burning plus an enforced cap supply of 21B.

Hyperliquid announced Growth Mode for HIP-3, allowing permissionless markets to launch with significantly reduced fees. The implementation will happen in the next upgrade.

Avalanche’s Granite upgrade went live which enables faster block time.

Cardano suffered a temporary chain split due to an old software bug. 

Solana developers are mulling over a proposal, SIMD-0411, to double its disinflation rate. 

Plasma announced its partnership with Zerohash.Unifai Network launched its sports trading agents on Polymarket. 

GoPlus released a risk assessment report on x402 ecosystem projects. 

SingularityNET introduced the ASI:Chain DevNet and the Hyperon AGI Framework, two open technologies that enable anyone to start building decentralized, human-like AI onchain. 

Perle Labs launched the AudioQuest Beta program, allowing users to record scripted audio and provide verified training data for voice AI models.

Abacus AI’s coding agent secured the top position on the Terminal Bench leaderboard for generally available coding agents.

Meridian deployed the first cross-chain x402 integration using Across Protocol intents, with cashback routing now live.

Peaq Network’s first Robo-Farm offering sold out completely, demonstrating strong demand for tokenized co-ownership of real-world robotic assets.

OpenMind introduced BrainPack, an autonomous “plug-in brain” for UniTree robots, available for pre-order with NVIDIA Thor GPUs and OM1 credits included.

Virtuals announced surpassing 200,000 completed robotics training tasks — a sharp increase from 80,000 the previous week.

pump.fun launched “mayhem mode,” enabling agents to autonomously trade meme tokens.

TokenFi unveiled Shield, an AI-powered smart contract auditing tool for EVM and Solana that provides instant vulnerability scans and reports.

Gensyn introduced CodeZero, a reinforcement-learning swarm environment where collaborative coding agents jointly solve problems and improve through shared outcomes.

Chainlink’s CRE has now been adopted by seven AI projects — including x402, Sentient, and Giza — to enable secure cross-chain coordination for agent workflows.

Figment launched Figment.Trade, a trading-agent platform that lets users deploy autonomous agents and compete in trading arenas to earn rewards.

Beep’s a402 protocol and Beep Pay SDK went live on Sui Network as a financial stack designed for agentic commerce.

1inch announced Aqua, a new liquidity protocol that enables sharing of assets across various strategies.

Aave launched its new app, with $1M in balance protection. 

Aave labs gained EU MiCA approval via its subsidiary Push. Push enables zero-fees on/off ramp service for stablecoins.

Aerodrome announced details of its upgrade, with the new REV engine in the MetaDEX03 architecture of Aero DEX poised to bring more revenue beyond swap fees such as front-end trade routing fees, DEX aggregating, cross chain bridging, liquidity automation, auto-compounding, MEV auction, and veNFT marketplace. 

Brevis announced the Brevis ProverNet Whitepaper. Essentially, it created a marketplace for buyers of zk proofs and service providers supporting various proof systems and hardware infrastructure.

Phantom introduced Phantom Terminal, a web-based trading terminal that syncs with the mobile version.

Uniswap launched Continuous Clearing Auction on Uniswap v4 aiming to address liquidity and price discovery issues that plagued token launches in earlier models.

dYdX to increase token buybacks from 25% to 75% using protocol fees.

Aevo’s AGP-3 proposal on a new buyback and burn mechanism as well as a symbolic 69M $AEVO token burn has been passed. 

Polymarket strikes a multi-year deal with TKO Group Holdings, the parent company of UFC and Zuffa Boxing.

Unifai Network launched its sports trading agents on Polymarket. 

GoPlus released a risk assessment report on x402 ecosystem projects. 

SingularityNET introduced the ASI:Chain DevNet and the Hyperon AGI Framework, two open technologies that enable anyone to start building decentralized, human-like AI onchain. 

Perle Labs launched the AudioQuest Beta program, allowing users to record scripted audio and provide verified training data for voice AI models.

Abacus AI’s coding agent secured the top position on the Terminal Bench leaderboard for generally available coding agents.

Meridian deployed the first cross-chain x402 integration using Across Protocol intents, with cashback routing now live.

Peaq Network’s first Robo-Farm offering sold out completely, demonstrating strong demand for tokenized co-ownership of real-world robotic assets.

OpenMind introduced BrainPack, an autonomous “plug-in brain” for UniTree robots, available for pre-order with NVIDIA Thor GPUs and OM1 credits included.

Virtuals announced surpassing 200,000 completed robotics training tasks — a sharp increase from 80,000 the previous week.

pump.fun launched “mayhem mode,” enabling agents to autonomously trade meme tokens.

TokenFi unveiled Shield, an AI-powered smart contract auditing tool for EVM and Solana that provides instant vulnerability scans and reports.

Gensyn introduced CodeZero, a reinforcement-learning swarm environment where collaborative coding agents jointly solve problems and improve through shared outcomes.

Chainlink’s CRE has now been adopted by seven AI projects — including x402, Sentient, and Giza — to enable secure cross-chain coordination for agent workflows.

Figment launched Figment.Trade, a trading-agent platform that lets users deploy autonomous agents and compete in trading arenas to earn rewards.

Beep’s a402 protocol and Beep Pay SDK went live on Sui Network as a financial stack designed for agentic commerce. 

Alibaba to use JP Morgan blockchain to move tokenized deposits between institutional clients. 

Grab and StraitsX signed an MOU to develop web3 wallet and stablecoin-based settlement.

Paxos Labs announced USDG0, with initial network integration with Hyperliquid, Plume, and Aptos.

Circle announced StableFX and Partner Stablecoin to build onchain FX infrastructure and drive synergies with its upcoming Arc mainnet launch. 

Sui unveils USDsui.

R25 launched a yield-bearing RWA stablecoin on Polygon.

Stable partnered with Oobit to bring USDT payments across 80M+ Visa-supported merchants. 

Paystand acquired stablecoin network Bitwage.

CashApp to enable USDC payment on Solana in 2026. 

ECB doubles down on warning about stablecoin risks to financial infrastructure. 

Upshift to launch yield-bearing stablecoins sAUSD and earnUSD on Monad at mainnet, in partnership with Agora.

Coinbase enables USDC borrowing against ETH collateral, powered by Morpho. 

Worldcoin launched Virtual Bank inside its World App, powered by Bridge. 

USDT0 integrated with Chaos Labs Proof of Reserves to bring verifiable reserves onchain. 

Opera’s MiniPay launched a new feature ‘Pay like a local’ enabling users in Brazil and Argentina to spend stablecoins at shops using local payment systems. 

BNY Mellon to set up a money market reserves fund to enable issuers to remain compliant under GENIUS ACT. 

HSBC to offer tokenized deposits to US and UAE clients. 

Societe Generale issues US digital bonds partnering with Broadridge. 

Ondo received EU approval to offer tokenized stocks and ETFs in Europe. 

Trump’s Maldives Hotel will be a tokenized real estate project.

Hong Kong launched tokenized deposit pilot with real-value transactions.

BlackRock’s BUIDL to be accepted as collateral on Binance and expands to the BNB chain. 

Crypto wallet firm Exodus to acquire Monovate and Baanx for $175M. 

Numerai received an additional $30M in Series C funding to scale its AI-powered hedge fund. 

Kalshi, a regulated prediction market, raised $1B at a $11B valuation led by Sequoia Capital and CapitalG. 

AI-native social engineering defense platform, Doppel, raised $70M in Series C funding valuing the firm at $600M. 

Onchain banking platform, DeBlock raised €30M in Series A led by Speedinvest. 

Kraken raised $200M in strategic investment from Citadel Securities valuing it at $20B. 

AI-native tax compliance software, Sphere, raised $21M in Series A led by a16z. 

Sentient’s airdrop tracker went live.

Sign introduced the Sign L2 stack built on BNB, enabling nations to deploy compliant stablecoin contracts.

Plume is onboarding Securitize to offer institutional grade assets to Nest’s staking protocol.

Kaito launched a verifiable mindshare market on Polymarket, partnering with Brevis and Eigencloud.

Huma announced it has crossed $8b in PayFi transaction volume, expecting $20m ARR.