Today's Signal
Bitcoin is active. Read the source trail.
902,315
latest mock block height
18 sat/vB
fast confirmation estimate
Top News Stories
All storiesWhy the Bitcoin Block Header Is 80 Bytes, Not 128 Bytes
A technical guide to Bitcoin's serialized proof-of-work header and the SHA-256 padding trap.
Bitcoin miners hash the serialized 80-byte block header, not a 128-byte object or the whole block. The difference comes from consensus serialization, SHA-256 padding, and the miner midstate workflow.
2026 Knowledge Transfer
Bitcoin, Tor, I2P, VPNs, privacy, and self-sovereign tooling for newcomers.
A practical newcomer curriculum for Bitcoin privacy, self-custody, full nodes, Tor, I2P, VPN limits, wallet hygiene, and device security.
A disciplined profile of Bitcoin's pseudonymous creator through the whitepaper, early emails, BitcoinTalk posts, monetary design, privacy warnings, and disappearance.
My Feed
Conversations with Satoshi or Anonymous
A criminal justice inquiry into Bitcoin's anonymous knowledge culture.
A public-facing case study on how Satoshi's protocol logic and Anonymous' privacy culture shaped early Bitcoin's distributed learning environment.
A disciplined profile of Bitcoin's pseudonymous creator through the whitepaper, early emails, BitcoinTalk posts, monetary design, privacy warnings, and disappearance.
Buying Bitcoin in 2026
Coinbase, Gemini, River, MoonPay, Banxa, P2P markets, and the ghost of LocalBitcoins.
A buyer's map of regulated exchanges, Bitcoin-only apps, convenience ramps, Bitcoin ATMs, brokerage-style exposure, and modern peer-to-peer markets.
Lightning Wallets Shift Toward Permissioned Connections
NWC-style controls are becoming part of the app-wallet conversation.
Wallet builders are separating spend permissions from app experiences as Lightning UX matures.
Paid Pages
Miner Revenue Rebalances After Difficulty Adjustment
Hashprice remains under pressure as operators watch energy margins.
Mining economics continue to tighten as network difficulty and transaction fees shift.
Privacy Researchers Warn Against Overconfident Wallet Labels
Entity attribution can be useful, but labels remain probabilistic.
Wallet intelligence tools are helpful for research, yet attribution should not be presented as certainty.
Sats Wallet
Paid pages use a browser-wallet payment intent. UniSat is the first simple connector.
Open walletBTC Network Health
Node HealthMOCK
Fees & Mempool
18
sat/vB
11
sat/vB
6
sat/vB
Halving
Publishers
Publish articles, price pages in sats, and build a reviewed source trail.
Starting Infra
Hardware Status Check
SatsWire starts lean: a hosted Railway runtime paired with a 4GB RPI as the first local hardware foothold.
Railway
Hosted app runtime
Cloud app + API routes
Running the public SatsWire surface while the local hardware layer comes online.
4GB RPI
Starting infra
4GB RAM edge node
The first home-infra foothold for future node checks, payment monitoring, and local services.
HyperFlex
Future cluster backbone
Planned expansion
Reserved for heavier indexing, replication, and self-hosted service experiments.
A few M1s
Future edge workers
Planned expansion
A small local fleet for builds, checks, background jobs, and resilient service testing.