The Polylog Crypto Intelligence Brief

Morning Edition · Saturday, October 10, 2026

Crypto

Ledger buyers in Southeast Asia lose about $86 million after buying devices from reseller CryptoBilis

Ledger has stopped the reseller's sales and says its own systems were not breached. Tether froze linked USDT within hours, but nobody has yet shown how the devices were compromised.

8 sources
Corroborated

Crypto

XRP Ledger fixes a 2015-era bug that let a payment create spendable XRP without funding it

Researcher Cayden Liao and Veria AI reported the flaw on Sept. 22, RippleX shipped a fix on Sept. 25, and the demonstrated attack used the Batch transaction type that went live on mainnet on Oct. 9.

4 sources

Crypto

Aztec discloses a proving-system flaw in Alpha V5 that could let invalid transactions pass verification

Contributors found the defect on July 27 through AI-assisted internal auditing. They say they cannot tell whether anyone used it, and that version 6 will reject proofs from the affected system.

3 sources

Crypto

Solana finishes cutting its slot time to 200 milliseconds, half its original target, before the Alpenglow consensus upgrade

The last step of SIMD-0525 was set to activate at epoch 1053 on Oct. 9, and smaller per-slot budgets keep total capacity per second roughly flat while delays shrink.

4 sources

Geopolitics

Bessent says the United States will probably seize $1 billion in Iran-linked crypto this week

Separately, on Oct. 9 Tether blacklisted four THORChain vaults on Tron without warning, freezing about 1.45 million USDT for roughly three hours. The episode shows how much reach the issuer's freeze function has.

7 sources
Plausible

Crypto

Robinhood Chain daily transactions fall from 10.8 million to 6.2 million since mid-September

Robinhood is still paying network fees on customer swaps, the value secured on its chain fell 8.1% in a week, and the company is studying an ordering system that would let traders pay for priority.

2 sources

Crypto

Miden launches a private-finance stack around Circle-backed USDCx as Ethereum researchers publish a private stablecoin design

Miden's partners cover identity, custody, neobanking and tokenized real-world assets that settle with amounts and counterparties hidden, and its Bread wallet brings that privacy to ordinary transfers and swaps.

5 sources

Crypto

Ethereum researcher Justin Drake urges "bunker mode" over AI risk to wallet signatures, and a Bitcoin Core developer responds

Drake argues that mathematical advances driven by artificial intelligence (AI) could break the elliptic-curve signatures securing Bitcoin and Ethereum within months rather than years. No classical attack of that kind has been demonstrated yet.

4 sources
Plausible

Crypto

Ether fee burns offset only 2.07% of new issuance in 2026

A CryptoSlate ledger dated Oct. 9 shows staking issuance far ahead of the burn, so a shrinking ether supply would now require much more paid demand for Ethereum's blockspace than it currently draws.

2 sources

Crypto

NEAR Intents recovers its full $3.87 million, a London court jails a SIM swapper, and Telegram faces an unconfirmed Stars exploit claim

The week's smaller incidents include a bridge-interaction bug, social engineering of a mobile carrier, an alleged refund-logic flaw and a $141 million custody lawsuit against BitGo.

5 sources
Developing

Markets

CFTC moves to define event contracts as swaps after appeals courts rule against Kalshi

A companion interim final rule would exclude casino-style gambling products, a line the regulator needs if it is to defend federal jurisdiction against gambling regulators in at least nine states.

3 sources
Plausible

Markets

Bitcoin ETFs lose $729 million in two sessions as bitcoin trades near $83,000, a year after the October 2025 liquidation

Ether funds extended an eight-session outflow streak to $641.3 million, and the Ripple-backed treasury company Evernorth brings 473 million XRP to Nasdaq on Monday.

5 sources