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miningtechnicaldifficulty

How Bitcoin's Difficulty Adjustment Prevents Mining Death Spirals (Explained by the Recent 7.76% Drop)

Bitcoin's recent 7.76% difficulty drop (block 941,472) demonstrates a critical survival mechanism: the difficulty adjustment algorithm that prevents miner exodus from killing the network. This evergreen technical explainer breaks down how the 2,016-block adjustment works, why it's calibrated to ~2 weeks, what happens when hashrate plummets (like during the Iran energy crisis), and why this self-correcting mechanism makes Bitcoin uniquely resilient compared to chains with static difficulty. Includes historical examples (China mining ban, bear markets) and math behind the adjustment.

March 23, 2026·7 min read

bitcointorprivacy

Bitcoin Core Enables Tor Proof-of-Work Defenses for Hidden Services

Bitcoin Core merged support for Tor's proof-of-work defense mechanism on March 23, 2026. Nodes running as Tor hidden services can now automatically defend against denial-of-service attacks by requiring attackers to solve computational puzzles before connecting.

March 23, 2026·6 min read

technicalbitcoin-developmentbips

BIP-446 & BIP-448: OP_TEMPLATEHASH Brings Advanced Covenant Capabilities to Bitcoin

Two new BIPs merged into the Bitcoin Improvement Proposal repository introduce OP_TEMPLATEHASH and taproot-native rebindable transactions, offering powerful new covenant primitives for Lightning eltoo, vaults, and congestion control — while avoiding the pitfalls of earlier proposals.

March 23, 2026·8 min read

bitcoinsoft-forktaproot

BIP-110: The 'Temporary' Soft Fork That Could Block Future Bitcoin Upgrades

BIP-110 proposes a temporary soft fork to disable OP_SUCCESS opcodes in Tapscript, aiming to clean up 'junk data' on-chain. But critics warn this could hinder future Bitcoin soft fork upgrades by closing off upgrade paths that Taproot specifically kept open. What's really at stake here, and why is this proposal raising alarms?

March 23, 2026·8 min read

lightning-networkhardware-walletsliquid-network

Blockstream Jade Becomes First Hardware Wallet with Native Lightning Support

Blockstream's Jade hardware wallet can now interact with Lightning payments while keeping keys in cold storage. Here's how it bypasses the fundamental incompatibility between Lightning's always-on requirements and hardware wallet security.

March 19, 2026·5 min read

bip-446bip-448lightning-network

BIP446 and BIP448: OP_TEMPLATEHASH Covenant Proposal Gains Formal Numbers

Greg Sanders, Antoine Poinsot, and Steven Roose have published formal specifications for OP_TEMPLATEHASH and a bundle of rebindable signature opcodes that could reduce Lightning Network overhead, enable non-interactive Ark, and optimize DLCs.

March 19, 2026·5 min read

bitcoinwalletsbips

BIP393: Bringing Metadata to Bitcoin Wallet Descriptors

The new BIP393 proposal lets wallets embed recovery hints directly in descriptors using URL-style annotations. Here's why that matters for wallet backups and interoperability.

March 19, 2026·5 min read

bitcoinbipsprivacy

BIP392: Silent Payment Descriptors Finalized for Wallet Integration

BIP392 defines output script descriptor format for silent payment wallets, enabling standardized integration across Bitcoin wallet software.

March 19, 2026·5 min read

bitcoin-coremempoolprivacy

Bitcoin Core 31.0 RC1 Released with Cluster Mempool Rewrite

First release candidate for Bitcoin Core 31.0 introduces cluster mempool, a fundamental rewrite of transaction management logic that improves block template construction, eliminates ancestor/descendant limits, makes RBF incentive-compatible, and enables privacy-focused transaction broadcast via Tor/I2P.

March 18, 2026·4 min read

regulationseccftc

SEC and CFTC Issue Joint Crypto Token Taxonomy: 'Most Crypto Assets Are Not Securities'

The SEC and CFTC released coordinated interpretive guidance establishing a five-category token taxonomy (digital commodities, digital collectibles, digital tools, stablecoins, digital securities) and clarifying that 'most crypto assets are not themselves securities.' The guidance addresses how investment contracts can end, and covers airdrops, protocol mining, staking, and wrapping.

March 18, 2026·4 min read

bitcoinregulationsec

SEC and CFTC Sign Historic MOU: What the Regulatory Coordination Pact Means for Bitcoin

On March 11, 2026, the SEC and CFTC signed a Memorandum of Understanding to coordinate crypto oversight, explicitly classifying Bitcoin and Ethereum as commodities under CFTC jurisdiction. This ends years of turf battles and regulatory uncertainty. We'll explain what the MOU actually commits both agencies to do (joint rulemaking, shared enforcement, cross-market surveillance), why it matters (clearer jurisdiction = less compliance risk), and what's still uncertain (altcoins, DeFi, staking).

March 17, 2026·6 min read

regulationseccftc

SEC and CFTC Sign Historic Agreement to End Crypto Regulatory Turf Wars

After years of jurisdictional conflict that pushed crypto firms overseas, the SEC and CFTC announced a formal coordination framework to harmonize definitions, streamline enforcement, and create fit-for-purpose crypto regulation.

March 16, 2026·4 min read