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Tokenized stocks traded $1 billion while US exchanges were closed, nearly matching the $1.02 billion they did on a fully open Friday.

Tokenized stocks don't care about your market holidays

US equities shut down for Labor Day at 4:00 PM ET on Friday, September 4, and didn’t reopen until 9:30 AM ET on Tuesday, September 8. That’s an 89.5-hour gap where the cash market was dark. Tokenized stocks, which run onchain 24/7, didn’t notice. According to CoinGecko data covering the 42 largest tokens across the four platforms that carry most of the sector’s activity, those tokenized equities traded $398.3 million on Labor Day itself, and over $1 billion across the full shutdown window. Friday, with the cash market fully open, produced $1.02 billion.

That’s nearly volume parity between an open session and a closed one. The takeaway for anyone running trading infrastructure: if you’re building around exchange hours, you’re building for a world that’s already gone. Onchain equity markets clear around the clock, and centralized venues captured only a fraction of the action. The next holiday closure is a free experiment in how fast the remaining volume migrates.

Block files for federal bank charter

Jack Dorsey’s Block is going the full banking route. The company filed with the OCC for a federal trust bank charter, under the name Builders Bank & Trust, which would provide custody and fiduciary services. Block joins a wave of fintech and crypto firms - Revolut, Coinbase, Paxos, BitGo, Ripple, Circle, and Trump-backed World Liberty Financial - all seeking federal charters. The OCC has approved 21 of 40 de novo applications since 2025, so the odds are decent.

For engineers, this is less about banking and more about regulatory surface area. A federal charter means Block’s crypto custody moves under OCC supervision, with state-by-state money transmitter licenses becoming less relevant. That simplifies compliance but adds a federal examiner to your quarterly calendar. Expect other large custodians to follow if the approval lands.

Robinhood takes a minority stake in Crypto.com

Robinhood is buying a minority stake in Crypto.com, building on its 2024 Bitstamp acquisition. The deal gives Robinhood access to Crypto.com’s global user base and exchange infrastructure without a full merger. It’s a hedge: Robinhood gets international reach and a derivatives platform, while Crypto.com gets a US-regulated partner with a brokerage distribution channel.

For anyone running crypto exchange backend systems, this is consolidation pressure. When two large retail platforms share ownership, expect shared liquidity pools, unified KYC rails, and eventually shared order books. That cuts integration costs for market makers but concentrates counterparty risk in fewer entities.

Visa's stablecoin card machine: $2.5 billion financed, zero defaults

Visa reported that in its fiscal second quarter, over 160 stablecoin-linked card programs were live globally. Payment volume grew nearly 200% year over year, and stablecoin settlement volume surpassed $20 billion. But the interesting engineering is in the financing layer. Visa and Credit Coop built a stablecoin-denominated revolving credit facility secured by settlement receivables. A smart contract called Spigot automatically routes repayments from incoming proceeds, mirroring a traditional lockbox structure.

The facility has financed over $2.5 billion in cumulative volume since 2023 with zero defaults and more than 9,000 onchain transactions. The next phase adds just-in-time disbursements triggered directly by daily Visa settlement files, so programs pay for capital only during the hours it is deployed. That’s a meaningful efficiency gain for early-stage issuers who face a structural gap: daily settlement obligations must be funded before cardholders pay, at sizes too small to justify traditional warehouse facility costs. The Spigot contract cuts borrowing costs for participating programs by as much as a significant margin, though the exact figure wasn’t disclosed.

EIP-8250: keyed nonces and bloom filters for Ethereum

EIP-8250 proposes replacing Ethereum’s single per-account nonce with multiple independent nonces stored in a single system contract, NONCE_MANAGER. Keys are 32 bytes long, with up to 16 nonce keys per transaction. The first byte of each nonce key acts as a type tag, distinguishing binary (one-shot) nonces from counter nonces. That distinction enables future upgrades like bloom filters, which cut per-nonce storage from roughly 64 bytes to 1-2 bytes by testing only whether a nonce equals zero.

The one-sided bloom filter design works for binary nonces, but breaks for non-binary variants: those produce two-sided errors that let attackers push invalid transactions through mempool validators. Reserving the first byte as a nonce-type tag at creation time separates the two cases. Applications include privacy pools using nonce keys as nullifiers, and accounts with multiple independent authenticated senders. For node operators, this is a statelessness play - fewer bytes stored per account means cheaper state, which matters as the state trie keeps growing.

Simulating Glamsterdam's fee market: 60M to 200M gas limit

The Glamsterdam upgrade raises Ethereum’s gas limit from 60 million to 200 million over about four hours. Researchers simulated the first 7,200 blocks (one day) under twelve demand scenarios, with multiple simulation paths per scenario. After a 10-hour adjustment period, nine scenarios produced base fees ranging from under 0.0001 gwei to 0.39 gwei, depending on demand level and price elasticity. Three low-demand scenarios failed to establish meaningful base fees, shifting gas costs to priority tips at a median of 0.025 gwei.

The practical takeaway for node operators and block builders: higher gas limits don’t automatically mean higher fees. Under low demand, the base fee collapses and priority tips become the revenue driver. That changes how you set fee estimation algorithms and how builders order transactions. The simulation is a useful predictor of post-upgrade fee outcomes, but it’s still a model - real demand elasticity will tell the actual story.

First staked Tron ETF launches in the US

The first staked ETF tied to Tron hit US markets on Wednesday. It’s a staked product, meaning the underlying TRX generates yield that flows back into the fund. For institutional allocators, this is another bridge between proof-of-stake yield and traditional ETF infrastructure. Expect the usual custody and staking operational questions - who runs the validators, how slashing risk is handled, and how the fund’s NAV accounts for staking rewards.

Malone Lam pleads guilty to $245M crypto racketeering

Malone Lam, a Singaporean citizen based in Miami who used aliases like “Anne Hathaway” and “King Greavy,” pleaded guilty to leading an international social-engineering ring that stole and laundered over $245 million in crypto. The scheme relied on phishing and social engineering rather than exploits. For security engineers, this is a reminder that the human layer remains the cheapest attack vector - no zero-days needed when you can convince someone to hand over a seed phrase.

EtherFi Cash membership tiers

EtherFi Cash launched a four-tier membership rolling out gradually. The base tier is free with 10% category cashback on streaming, but the higher tiers require skin in the game: Luxe needs 5,000 membership points, a $15,000 Liquid Vault deposit, or 30,000 staked ETHFI. Pinnacle runs $999/year with up to 3% cashback on the first $50K/month, and VIP requires $500K in Liquid Vaults or 500K staked ETHFI for a 4% flat rate. There’s also $10,000 account balance protection. It’s a stablecoin banking product with tiered incentives and staking requirements - track it if you’re building similar loyalty mechanics.

Crypto card comparison: EtherFi vs. Kast

A comparison of EtherFi and Kast crypto cards surfaced, covering fee structures, cashback tiers, and staking requirements. Both target the stablecoin spending crowd, but they differ on whether rewards come as points or yield-bearing assets. For engineers integrating card rails, the comparison is a useful checklist of the tradeoffs between custodial card programs and self-custody-linked ones.

Rain launches stablecoin-funded global payouts

Rain, a payments platform, launched stablecoin-funded global payouts. Business customers get one account for fiat, stablecoins, and cards instead of juggling separate wallets. Early users include e-commerce brands paying overseas suppliers and businesses running payroll or creator payouts. The pitch is simple: settle international payments in stablecoins without touching the traditional correspondent banking stack. For treasury teams, that means faster settlement and fewer intermediary fees, but it also means managing stablecoin counterparty risk.

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Source: theblock.co ↗

• First staked Tron ETF launches
• EtherFi vs. Kast card comparison
• Rain launches stablecoin-funded global payouts