eCash

Today, July 1st, we are celebrating eCash Day, marking five years since the eCash rebrand and a milestone in the ongoing mission to deliver peer-to-peer electronic cash at global scale.
Since the last eCash Day, a defining development was the activation of Avalanche Pre-Consensus in November 2025. It introduced ~2-second instant transaction finality on a Proof-of-Work blockchain for the first time. This meaningfully improved the user experience, allowing payments to confirm almost instantly while preserving decentralized security.
Alongside this, the ecosystem continued to expand across stablecoins, real-world asset tokenization, developer infrastructure, wallets, and application-layer growth. Together, these developments are shaping eCash into a more complete financial system, combining strong base-layer performance with increasingly practical applications.
From protocol upgrades to real-world integrations, this period reflects continued progress toward a system designed for everyday use.
Let’s look at the key milestones that defined this period in the eCash journey.
Major Upgrades/Features
Avalanche Pre-Consensus

On November 15, 2025, at block height 923,347, the eCash network officially activated Avalanche Pre-Consensus, delivering instant transaction finality and real-time consensus on a Proof-of-Work blockchain for the first time ever. This upgrade marks a major milestone for eCash and brings its vision of fast, secure, and user-friendly digital cash closer to reality.
https://x.com/eCash/status/1989683421401289040
Staking Rewards Pre-Consensus

Also launched on November 15, 2025, Staking Rewards Pre-Consensus enables eCash staking nodes to use Avalanche polling to come to consensus on the staking reward winner for the next block before it is mined. This improves predictability, coordination, and efficiency for the staking process.
Learn more: https://x.com/eCash/status/1980907524179317148
64-bit Integers — Precision for Agora, Power for DeFi

On November 15, 2025, 64-bit integer support went live, unlocking billions of times more precision for both sat and token values. Agora swaps can now price assets exactly, enabling truly accurate markets and more advanced financial use cases on eCash.
New range: 
–9,223,372,036,854,775,807 
9,223,372,036,854,775,807
Learn more: https://x.com/eCash/status/1978488197610168536
Chronik Support for the ElectrumX Protocol

On July 10, 2025, with the release of Bitcoin ABC v0.31.8, Chronik became fully compatible with the ElectrumX protocol. This makes it easy for existing BTC and BCH applications using Electrum servers (such as Fulcrum) to add eCash support or migrate to Chronik seamlessly.
The May 15, 2026 eCash Network Upgrade

The planned May 15, 2026 upgrade of the eCash network was successfully completed, marking a coordinated protocol transition across the ecosystem. The first post-upgrade block was block 949,200.
This upgrade consolidated a series of performance and scalability improvements across the node software stack. While versions 0.33.x and later include enhancements to Avalanche Pre-Consensus and the mining layer designed to support significantly higher transaction throughput during periods of peak network activity, these specific optimizations were not activated as part of the upgrade itself. Instead, the mandatory upgrade process ensured that all nodes had the updated implementations deployed and ready ahead of activation.
Electronic Cash Conference 2025

On October 4–5, 2025, the Electronic Cash Conference (ECC 2025) was held in Spain, bringing together developers, researchers, and builders from across the electronic cash ecosystem.
During the conference, eCash founder Amaury Séchet officially announced Avalanche Pre-Consensus, publicly unveiling a milestone years in the making. The announcement outlined how eCash would achieve instant finality and real-time consensus on a Proof-of-Work blockchain, setting the stage for the mainnet activation that followed on November 15, 2025.
All sessions and talks from the ECC 2025 are available here: https://ecashconference.com
Ecosystem Growth & Real-World Adoption
RWA Tokenization & Stablecoins
A major area of growth this year was real-world asset tokenization and stablecoin expansion:
FIRMA issued three stablecoin products on the eCash network:fCHF (Swiss Franc stablecoin)fEUR (Euro stablecoin)FIRMA USD (USD-pegged stablecoin)Blockchain Ventures Corp. tokenized its equity ownership on eCash with the launch of $BVE on the Cashtab Agora marketplace, expanding real-world asset issuance on-chain.
PayButton Ecosystem Expansion
PayButton continued to evolve as a core monetization and eCash payment layer across the web:
PayButton WordPress Plugin v6.0.0 launched with WooCommerce integration, enabling native eCash (XEC) payments in online stores.Expanded capabilities include:Fundraiser parametersCashtab PWA supportNew landing page systemAdjustable auto-close timingButton size customizationServer-side improvements
New Tools & Apps
A broad wave of application and infrastructure development expanded the eCash ecosystem:
ProofOfWriting.com re-launched as a write-to-earn platform with on-chain paywallsMarlin Wallet for Android launched with NFC payments and Wear OS supporteCashLive.net introduced a real-time network activity dashboardMetachronik analytics indexer launched, powering ecosystem data aggregationcharts.e.cash launched as a visualization frontend for MetachronikA new mempool explorer launched, offering improved transaction visibilityThe Overmind Telegram tipping bot launched for native on-chain Telegram paymentsBlockchain.poker returned with an upgraded gameplay and payments experienceThe e.cash website added a live transaction activity widget on homepage
Integrations & Exchange Support
Network reach and liquidity access continued expanding through new integrations:
NOWNodes added eCash support to its blockchain explorer serviceUnityNodes enabled $XEC payout supportAdditional integrations included:Houdini SwapCoinDiscoMarlin WalletQuickExEternaBlockchain Poker
Gaming Ecosystem Expansion
The blockchain gaming layer continued to grow:
BlitzChips.com launched instant betting gameplayHodlWars.com introduced multiplayer staking competitionsSeedRush.cash launched multiplayer seed phrase racingblockchain.games launched as a curated gaming hub for eCash
Developer Tooling
Developer experience and protocol tooling saw major expansion:
Bitcoin ABC released v0.31.8, adding Chronik compatibility with the ElectrumX protocolChronikCache npm package introduced for caching and performance improvementsecash-wallet library expanded with:HD wallets and watch-only walletsALP DEX support and postage transactionsUTXO consolidation improvementsPSBT and multisig signing supportbroadcast-and-finalize transaction flowscashtab-connect released for seamless wallet integration in web appsStrengthened TypeScript typings across Chronik, ecash-lib, ecash-agora, and chronik-clienteCash AI Skill released for Claude Code, Codex and Cursordocs.e.cash launched as a centralized developer documentation hubFlutter/Dart Chronik client released, evolving toward a full SDKUniversal Payments layer introduced via pay.e.cash using BIP21-based routing
These improvements significantly strengthen the developer ecosystem and interoperability.
Wallets Upgrades
Electrum ABC Wallet
Electrum ABC desktop wallet continued evolving with improvements focused on performance, usability, and hardware support:
Avalanche Proof Editor improvements and transition to Chronik backendLarge wallet performance optimizationsFaster hardware wallet detectionUpdated Ledger firmware compatibilityAdded 64-bit Windows support
Cashtab Wallet
Cashtab saw major UI/UX upgrades:
Full UI redesign and performance improvementsAndroid app released on Google PlayInstant transaction finality support addedPersistent Chrome storage for reliabilityFull support for 64-bit Agora offersUnified Send screen for XEC and tokensecash-wallet integration enabling chained transactions and large-scale airdropsExtended BIP21 support for send-to-many flowsBiometric authentication added on mobileUniversal payments integration (pay.e.cash)Wallet Connect support for web applications
Marlin Wallet
Marlin Wallet expanded minimalistic and mobile-first payment capabilities:
NFC-based XEC transfersWear OS companion app supportOne-click PayButton paymentsMulti-currency support (25+ fiat currencies)15+ languages supportedFIRMA stablecoin supportUniversal payment link support via QR, NFC, and browser
Community & Ecosystem Milestones
Redesigned official eCash website launchedeCash merch store launched (store.e.cash), fully payable in XECStaked XEC reached 350B+ all-time highPayButton recorded 1,311 daily transactions ATHFinal episode of Why Crypto — “Money” releasedeCash referenced in Arizona Senate Bill 1649 (digital asset reserve framework)ProofOfWriting announced a 100M XEC writing contest with winners revealed on eCash Day
Looking Ahead
Five years after the rebrand, eCash continues to develop as a peer-to-peer electronic cash system focused on scalability, usability, and real-world application.
With Avalanche Pre-Consensus now active on mainnet, the network has reached a new level of technical capability. Ongoing work focuses on ecosystem integration, developer tooling, and broader adoption across payments and applications. As the ecosystem continues to grow, eCash remains centered on its core objective of enabling fast and reliable digital cash at a global scale.
Happy eCash Day! 🎉

Originally Published: https://e.cash/blog/eCash-day-2026

The eCash ecosystem continues to expand with the launch of Firma, a new self-custodial Swiss stablecoin platform built on eCash that brings regulated digital currencies to fast, global payments.
https://firma.cash
Available now, Firma enables users to send, receive, and hold digital Swiss Francs (fCHF), Euros (fEUR), and US Dollars (Firma USD) with instant settlement, zero transaction fees, and complete ownership of their funds.
Designed for both individuals and businesses, Firma combines the efficiency of blockchain with the familiarity of traditional currencies, making digital payments as simple as sending a message.
A Better Way to Move Money

Despite advances in digital payments, businesses and consumers continue to face unnecessary friction. Payment processors charge merchants a percentage of every transaction, international transfers can take days to settle, and chargebacks introduce cost and uncertainty.
Firma was built to remove these barriers.
Payments are instant, global, and free to send or receive. Users can pay anyone by sharing a simple payment link through text message, WhatsApp, Telegram, or email—even if the recipient doesn't yet have a Firma account. Once a payment is sent, it settles immediately, with no waiting periods or intermediary approval.
For businesses, this means immediate access to revenue without processor fees or payout delays. For individuals, it means a fast, intuitive way to move money across borders while remaining in complete control of their assets.
Why eCash?
Firma chose to build on eCash because its architecture is uniquely suited for digital cash.
Unlike many stablecoins that rely on smart contracts, Firma issues its stablecoins using eCash's proven UTXO model, which is inherited from Bitcoin. This approach removes much of the complexity users often encounter when interacting with contract-based tokens.
As Firma’s founder Joey King explains:
"Unlike many stablecoins that rely on complex smart contracts, FIRMA's tokens are issued on eCash's proven UTXO architecture, inherited from Bitcoin."
The benefits go beyond simplicity. By avoiding smart contracts, Firma also eliminates many common attack vectors associated with them, including contract exploits and hidden token approvals.
"Transactions are gasless and settle instantly. The usual crypto headaches like blind signing, approval transactions and contract addresses do not exist on FIRMA."
Combined with eCash, the result is a payment experience that delivers near-instant finality while remaining familiar to anyone who has ever used digital cash.
Self-Custody Without Compromise
At the heart of Firma is a commitment to self-custody.
Users always control their own funds. Stablecoins are fully backed 1:1 with cash reserves, never lent out, and always redeemable. This provides the stability of fiat currencies while preserving one of cryptocurrency's core principles: ownership without intermediaries.
Because users hold their own keys, their funds cannot be arbitrarily frozen or confiscated by a payment processor or platform. Unlike custodial payment services that can suspend accounts or restrict access to balances, Firma gives users direct control over their assets while still providing access to regulated, fiat-backed stablecoins.
Rather than asking users to choose between convenience and control, Firma delivers both.
Built for Global Payments
From freelancers receiving international payments to businesses settling invoices or individuals sending money abroad, Firma is designed for real-world use.
The platform supports ACH and wire transfers through dedicated virtual bank accounts, seamless conversion between supported currencies, and instant peer-to-peer payments worldwide. Future releases will expand these capabilities further with CH-IBAN accounts, SEPA, SWIFT, QR invoices, and payment cards.
By connecting traditional banking infrastructure with self-custodial stablecoins, Firma creates a bridge between the financial systems people use today and the open digital economy of tomorrow.
Another Milestone for the eCash Ecosystem
The launch of Firma represents another significant step in the evolution of eCash.
It expands the network by providing infrastructure for merchants, businesses, developers, and everyday users alike. More importantly, it showcases how eCash's fast, scalable UTXO architecture can support financial applications that prioritize simplicity, security, and real-world usability.
As adoption continues to grow, Firma brings another powerful use case to the eCash ecosystem, making instant, global, self-custodial fiat payments accessible through stablecoins built on eCash.