Bitcoin
Every Bitcoin read CryptoBloggers has picked: 365 so far, 315 in the last 30 days, strongest first under “Start here” and newest first below.
Bitcoin picks in the 6:30 email
The day’s five best crypto reads, plus AI agents doing real things on-chain. Free, every morning at 6:30 a.m. Central.
Every Bitcoin card
newest first · page 3 of 13- 1
Bitcoin Trades Below Strategy’s $75,451 Average Purchase Price
Strategy's 849,327 BTC is now worth about $63.58B against a $64.08B cost basis, so the company sits underwater on its average purchase price.
- 2
Quantum Resistant BTC-transactions Without New Cryptography?
A proposal for quantum-resistant Bitcoin transactions via a hash-commit pre-transaction, presented as an idea without analysis or evaluation.
- 3
These Finland homes get free heat from bitcoin miners
Bitcoin miners are supplying free heat to homes in Finland, a practical example of mining heat reuse.
- 4
BlackRock's IBIT holders sold 56,800 BTC near $63K in June, then bought 78,000 back near $77,600. Their average cost is $81,136 a coin, so they're about 6.5% under water now.
Analysis of IBIT holder flows from the fund's daily holdings files, showing average cost near $81k and holders about 6.5% under water.
- 5
This Bitcoin Developer’s Idea Would Make Quantum Attacks a Losing Bet
Cory Fields proposes making quantum attackers post Bitcoin collateral before touching vulnerable wallets, turning attacks into a costly bet for prepared owners.
- 6
These Finland homes get free heat from bitcoin miners (as long as BTC stays above $70,000)
A Finnish startup uses 30 bitcoin miners as home heating, and the economics hold only while BTC stays above about $70,000.
- 7
Bitcoin ETFs flip negative for 2026 after $1.28 billion outflow week, worst since June
Bitcoin ETFs turned negative for 2026 after a $1.28B outflow week, with BlackRock's IBIT taking most of the selling.
- 8
There were 4 Whitepapers - In 2024 a Different Version of the Bitcoin Whitepaper Was Discovered - Full Study at TheBitcoinWhitepapers.com
Comparison of the four known versions of the Bitcoin whitepaper, with a timeline graphic and a dedicated study site.
- 9
Bitcoin holders have received eCash — What can you do with it?
Explains the Bitcoin eCash fork's ECX balances for holders and the unresolved questions about trading and use.
- 10
Strive buys 15,124 Bitcoin in October, closes in on top treasury holders
Strive reported $509 million in Q3 net income and bought 15,124 BTC in October, bringing holdings to 43,124 BTC.
- 11
Binance Hackers Swap About $50 Million of Stolen XRP Mostly Into Bitcoin, Elliptic Says
Elliptic traced about 42 million stolen Binance XRP swapped mostly into bitcoin via THORChain, about 1,650 BTC in total.
- 12
Holepunching, Changing Consensus - Bitcoin Optech Newsletter #430
Optech #430 covers TCP hole punching for home-router nodes, a draft BIP on co-signer spending policies, and BIP54 discussion.
- 13
Bitcoin's proof of work began as a 1997 plan to put spammers out of business:
Jack Mallers traces the history behind Bitcoin's proof of work and the ideas that led to it.
- 14
Bitcoin Core 32.1, Lightning security fixes, and a question for node operators
Security checklist prompt after Bitcoin Core 32.1 and Lightning fixes, urging operators to harden RPC and wallet setups beyond software updates.
- 15
Zcash NU7 upgrade goes live, leaves 12,224 ZEC stranded in Sprout pool
Zcash's NU7 upgrade left about 12,224 ZEC (roughly $15M) in the legacy Sprout pool unspendable, with a future upgrade possibly restoring access.
- 16
Bitcoin developer proposes ‘landmines’ to make quantum thieves lose their own BTC
A Bitcoin developer proposes collateral-based 'landmines' to deter quantum thieves from moving vulnerable coins.
- 17
Bitcoin Fixes This? Paraguay President Resigns After Bank Lockout Hits 60% of Country
Paraguay's president resigned after a bank lockout hit a large share of depositors at Ueno, reviving the self-custody argument.
- 18
Core Scientific (CORZ) to Exit Bitcoin Mining by Year-End as Colocation Hits $215 Million
Core Scientific will exit bitcoin mining by year-end and become a pure-play AI colocation operator, with self-mining revenue down to $12.3 million.
- 19
I built a live 3D view of the Bitcoin network. You can watch the next block get found as it happens.
A live visualization of the Bitcoin network showing mempool transactions and block discovery in real time.
- 20
Zcash Upgrade Could Lock $16 Million in Crypto Forever
Zcash's upgrade will stop accepting withdrawals from an older privacy pool, potentially stranding roughly $16 million in coins held there.
- 21
Bull Bitcoin just became the first exchange to make every on-chain buy and sell a Payjoin by default. Payjoin is an enhanced Approach to UTXO Consolidation and Privacy
Bull Bitcoin now makes every on-chain buy and sell a Payjoin by default, a notable privacy step for an exchange.
- 22
The Time Warp: How Lying About the Time Could Break Bitcoin's Difficulty
Explains the Bitcoin time warp weakness in difficulty adjustment, where a majority miner can distort retargeting by timestamp manipulation.
- 23
Bull Bitcoin Becomes First Exchange to Add Payjoin Privacy Deposits, Withdrawals, and Payjoin-by-Default Trading
Bull Bitcoin becomes the first exchange offering Payjoin deposits, withdrawals and default Payjoin trading, a practical privacy step.
- 24
Aave Schedules Vote on Babylon Native Bitcoin Collateral for V4
Aave will vote on a Babylon native bitcoin collateral market for V4, with a proposed 300 BTC cap.
- 25
Trump Media Bitcoin Transfer of 4,259 BTC Nearly Matches Pledged Loan Collateral
Trump Media moved 4,259 BTC to CDC as its DJT stock hit lows; the post argues the holdings may be sold to repay pledged loan collateral. Onchain-checkable, but the snippet is a Reddit analysis.
- 26
Trump-linked American Bitcoin swings to $126 million profit but misses revenue estimates
American Bitcoin posted a $126M quarterly profit, but it came from a bitcoin treasury accounting gain and revenue missed estimates.
- 27
American Bitcoin’s $126 Million Quarterly Profit Comes From Its Bitcoin Treasury Gain
American Bitcoin's $126M profit came from a $197M treasury accounting gain; without it the miner would have lost about $70M.
- 28
Bitcoin miner Riot could pay Anthropic 12% interest under $28 billion AI deal
Riot's $28 billion AI data center deal with Anthropic could give Anthropic financing returns of about 12% interest via rent deductions.
- 29
Trump Media moves $342 million in bitcoin to Crypto.com, blockchain data show
Arkham data shows a large BTC transfer from a Trump Media-linked wallet to Crypto.com, about $342 million.
- 30
American Bitcoin (ABTC) Posts $126 Million Profit as Holdings Gain $197 Million
American Bitcoin swung to about $126 million in Q3 net income, driven by a $197.3 million gain on its bitcoin holdings.