Bitcoin
A draft BIP would standardise which Bitcoin outputs expose their keys
Published estimates of quantum-exposed supply range from about 25% to over 34%. The author argues the gap is definitional and proposes four levels with a fail-closed rule.
Coin Brief — Crypto news, read from the protocol's own record
Whitehats move 52 BTC from the Coldcard seed flaw into a recovery trust
Galaxy Digital research says 52.37 BTC tied to July's Coldcard exploit went to an address carrying an OP_RETURN pointer to a newly formed recovery trust.
A new BIP lands for encrypting the wallet data that is not the seed
BIP-138, merged into the BIPs repository, specifies a compact encryption scheme for non-seed wallet data such as descriptors.
EIP-7906 gains two opcodes' worth of per-topic event views
An update merged into the EIPs repository extends the proposal with per-topic-value event views under TXDIFF parameters 0x0B and 0x0C.
Solana changelog: Transaction V1 on mainnet, cheaper rent, 250ms slots
The 18 September changelog records Transaction V1, a rent cut to 5,080 lamports per byte and a slot-time reduction to 250ms as notable mainnet feature gates, with SIMD debate on removing block compute limits.
Robonomics proposes retiring its Sudo key in favour of a two-track OpenGov
The Polkadot parachain would replace a developer multisig with pallet-referenda and conviction voting on just two tracks, then remove Sudo through the first real referendum.
ESMA's third-country CCP reporting consultation closes on 12 October
A proposed annual EMIR reporting framework would require clearing members and clients to report activity at recognised third-country CCPs; responses are due 12 October 2026.
Litecoin ships a soft-fork MWEB rule and a security fix it kept quiet
Litecoin Core 0.21.5.8 adds a soft-forking consensus rule at block 3,172,640 and folds in a 0.21.5.7 security fix that was distributed privately to mining pools rather than published.
Filed, registered, approved, launched: four events, one headline
A crypto filing this week registered zero new shares and was reported by careful outlets as exactly that. The habit that keeps a desk honest is refusing to collapse four distinct events into one word.
The FCA opens a money-laundering investigation into Euro Exchange Securities
The regulator is investigating potential breaches of the 2017 money-laundering regulations by Euro Exchange Securities UK between February 2020 and June 2026 — the firm is already in special administration.
A proposal pitches JamScript, a Web2-style language for Polkadot's JAM
A Polkadot forum post introduces JamScript, a language and SDK meant to let developers build JAM applications without understanding JAM's internals. It is a proposal and a discussion, not a shipped platform.