Bitcoin news

Bitcoin traded around 86,600 dollars on Tuesday 22 September 2026, up roughly 6.7 percent from the previous session, after clearing the 80,000, 84,000 and 85,000 dollar levels in succession. The total market capitalisation of cryptocurrencies moved back above 3,000 billion dollars for the first time since January 2026. About 648 million dollars of short positions were liquidated during the move.

A short liquidation happens when a trader who bet on a decline is forced to buy back in a hurry, which mechanically amplifies the rise. The session coincided with a macroeconomic backdrop more favourable to risk assets: the yield on ten-year US government bonds fell back below 5 percent and Brent crude dropped to its lowest level in almost two weeks. US equity indices also advanced.

Despite the rebound, bitcoin remains about 32 percent below its all-time high of 126,198 dollars reached in October 2025, and roughly 24 percent below its level a year ago. The Fear and Greed index, which tracks market sentiment, rose to 78, in extreme greed territory. Leveraged positions on perpetual futures have increased, which raises the risk of sharp moves in either direction.

Three things will set the tone in the coming weeks: whether net inflows into spot ETFs continue, the path of US long-term yields, and the level of leverage on derivatives markets. A rapid unwinding of borrowed positions usually produces falls as sharp as the rise that preceded them.

Two days after the CLARITY Act failed in the Senate, the Commodity Futures Trading Commission sent a draft regulation to the Office of Information and Regulatory Affairs, the White House office that reviews federal rules, on 17 September 2026. The filing is titled Regulation Crypto Asset Transactions and Regulation Crypto Asset Markets and carries the reference RIN 3038-AF80. It is listed at the prerule stage, flagged as a Dodd-Frank action and classified as not economically significant. Its contents have not been published.

The CFTC regulates commodity derivatives markets in the United States, including bitcoin futures. The CLARITY Act was meant to split oversight of digital assets between the CFTC and the SEC, the securities regulator, by statute. With no majority in the Senate, CFTC chairman Michael Selig had said in August that the agency would use its existing powers to set out a market framework without waiting for Congress.

A rule adopted by an agency does not carry the same weight as a statute: it can be challenged in court and undone by a later administration, whereas a law passed by Congress is more stable. For trading platforms and investors, that means a framework could arrive sooner but on more fragile legal ground. Until the text is published, its actual scope remains unknown.

After the OIRA review, the proposal returns to the CFTC for an internal vote, then a public comment period and a second vote before it can take effect. The process is expected to run for several months. The next visible steps will be publication in the Federal Register and the opening of the comment period.

US-listed spot bitcoin ETFs recorded 998.96 million dollars of net inflows in the single session of Monday 21 September 2026, the strongest daily haul of the year. BlackRock's IBIT took in 381.37 million, Ark Invest's ARKB 289.12 million and Fidelity's FBTC 238.84 million. It was the third consecutive day of inflows and the largest daily total since 6 October 2025, representing roughly 11,530 bitcoins absorbed in one session.

A spot ETF is an exchange-traded fund that actually holds bitcoin rather than futures contracts. It lets an investor buy exposure from an ordinary brokerage account, without managing private keys. These products were approved in the United States in January 2024. Their net flows, the difference between share creations and redemptions, are published daily: a net inflow forces the issuer to buy bitcoin to back the newly created shares.

The record follows several mixed weeks, including 462.7 million dollars of net outflows in early September. Institutional demand therefore looks reactive to price moves rather than steady. These flows say nothing about the future direction of the price: they measure what has already happened, and a record haul can be followed by equally fast redemptions.

The coming daily figures will show whether the run of inflows continues or reverses. Two points deserve attention: how concentrated the flows are, with IBIT alone capturing close to 40 percent of the 21 September total, and the monthly total for September, to be compared with the 3.52 billion dollars recorded in August 2026.

The first release candidate of Bitcoin Core 32.0 (rc1) was published on September 14, 2026, with a final release targeted for October 10. Highlights include parallel data reads during block verification (8 threads by default, up to 16), a second mempool-based fee estimator, and PSBT version 2 as the default format for four wallet commands. Two vulnerabilities are fixed: possible command execution through a crafted wallet name on non-Windows systems, and memory exhaustion in the HTTP server, where usage grew from 46 MB to about 3 GB in one minute. No consensus rules are changed.

Bitcoin Core is the reference software run by the vast majority of nodes on the network. Before each major version, release candidates are published so the community can test them and report bugs. A PSBT is a standard format for partially signed transactions, used in particular by hardware wallets and multisig setups.

For node operators, the update promises faster block verification and fee estimates that react more quickly during congestion. The wallet name flaw required authenticated access and the walletnotify option, which limited its exposure. Since consensus is unchanged, older nodes remain compatible with the network.

What to watch: possible further release candidates before October 10, the final release notes and the end of support for the oldest version still maintained.

On September 16, 2026, the US Federal Reserve unanimously raised its benchmark rate by 25 basis points, to a range of 3.75% to 4.00%. It is the first hike since July 2023. Chair Kevin Warsh said inflation is "too high, and has been for too long", and the committee's projections point to one more increase by the end of 2026. According to CoinDesk, bitcoin, at about $75,700 before the announcement, briefly rose to $76,300, then slipped back toward $75,400 during the press conference, down about 1.6% over 24 hours.

The policy rate is the benchmark for the cost of money in the US economy. When it rises, credit becomes more expensive and investments seen as risk-free, such as Treasury bills, pay more. Assets that pay no yield, bitcoin among them, then lose some of their relative appeal for certain investors. The series of hikes that began in 2022 coincided with a sharp fall in crypto markets that year.

Markets had widely expected the decision, which partly explains the muted reaction. It comes the day after the CLARITY Act failed in the Senate, which had already weighed on prices. For companies that fund their bitcoin purchases with debt, a higher cost of money makes that financing more expensive.

What to watch: the next Fed meetings on October 27 and 28, then December 8 and 9, 2026, monthly inflation figures and flows into spot Bitcoin ETFs.

On September 15, 2026, the US Senate rejected the procedural vote that would have opened debate on the Digital Asset Market Clarity Act: 49 in favor, 50 against, far short of the 60 votes required. Several Republican senators voted with the opposition. According to CoinDesk, talks broke down over ethics rules meant to bar senior officials from keeping interests in crypto businesses, despite more than 600 pages of compromise text. Bitcoin, close to $80,000 before the vote, fell back toward $76,000 the next day.

Passed by the House of Representatives in July 2025, the bill was meant to split oversight between regulators: the CFTC for spot markets in digital commodities such as bitcoin, the SEC for assets that fall under securities law. In the Senate, most bills need 60 votes to clear this step, which requires support from both parties. The vote had already been pushed back from the summer to September.

Nothing changes right away for bitcoin holders. The framework remains in the hands of existing regulators: the SEC is working on its Regulation Crypto proposal, but its chairman Paul Atkins has noted that rules without a law passed by Congress are less durable. Companies in the sector therefore remain in legal uncertainty.

What to watch: the midterm elections on November 3, 2026, then the new Congress in January 2027, which would have to start again from a bill. On the regulatory side, the progress of Regulation Crypto at the SEC.

The Lightning Development Kit project, known as LDK, released version 0.2.6 of its library on 9 September 2026. It carries two security fixes. The first stops a malicious channel peer from causing an over-allocation of fees during a splice, the operation that adds or removes bitcoin from an already open Lightning channel: the excess could be directed to the attacker's output. The second fixes a denial of service: a bogus payment received and then rejected, followed by a second payment carrying the same hash, left the ChannelManager component in a state that could not be read back on restart. That defect was reported by Erick Cestari. The project documented no confirmed theft and no exploited deployment.

Lightning is Bitcoin's second layer: two parties open a channel funded by a transaction written to the chain, then exchange as many payments between themselves as they like without returning to the chain each time. LDK is not a standalone program like Core Lightning or LND, which run as services on a machine. It is a library that developers compile inside their own application, typically a mobile wallet. The ChannelManager is the part of the code that holds channel state and writes it back to disk; if it becomes unreadable, the node can no longer restart normally.

Because LDK lives inside applications, the fix does not depend on the end user but on the teams that publish those applications: they have to rebuild against version 0.2.6 and ship an update. This release belongs to a sequence that began in August 2026, when a wave of bug reports generated by artificial intelligence led Lightning developers to confirm several real vulnerabilities, after which Core Lightning published its 26.06.7 security release.

What to watch: the updates published by wallets and services built on LDK, the only route by which the fix reaches users; the next maintenance releases in the 0.2.x branch; and announcements from the other Lightning implementations, Core Lightning, LND and Eclair, which follow the same coordinated disclosure calendar.

US-listed spot Bitcoin ETFs recorded 462.7 million dollars of net outflows in the week of 8 to 12 September 2026, according to data reported on 14 September. The withdrawals were spread across all four sessions, from Tuesday to Friday. Thursday 11 September carried the largest single move, with 282.7 million dollars of net outflows, the heaviest negative day since July. The ARK 21Shares fund led the way with 234.2 million dollars withdrawn over the week, ahead of the Grayscale Bitcoin Trust at 129.1 million, BlackRock's iShares Bitcoin Trust at 52.5 million and the Fidelity fund at 50.7 million. The week ends three consecutive weeks of net inflows. Over the same period, spot Ether ETFs attracted close to 197 million dollars.

A spot Bitcoin ETF is an exchange-listed fund that actually holds bitcoin and whose shares trade like an ordinary stock. These products were approved in the United States in January 2024. When demand exceeds supply, authorised intermediaries create new shares and the fund buys bitcoin on the spot market. In the other direction, shares are destroyed and bitcoin is sold. The net flow published each day measures that gap between creations and redemptions, expressed in dollars. It is therefore not the trading volume of shares between investors, but the change in what the funds actually hold.

For holders, these figures give a partial but concrete reading of the demand that travels through traditional stock market channels. One week of outflows is not enough to establish a trend: September was still positive by roughly 307 million dollars at the close of 12 September, and August had been the strongest month of the year for these funds. These flows coexist with sources of demand the ETFs do not capture, such as direct purchases on exchanges or corporate treasuries. They say nothing about the future direction of the price and are not investment advice.

What to watch: the US Federal Reserve rate decision expected on 16 September 2026, which risk asset markets have been following closely for several weeks; the daily flow publications from the issuers, which will show whether the run of withdrawals continues or stops; and the persistent gap between Bitcoin ETFs and Ether ETFs, the latter having drawn 216.4 million dollars on Friday 12 September alone.

On 8 September 2026, Strategy disclosed that it neither bought nor sold bitcoin during the week ended 7 September. Its reserve therefore stands unchanged at 845,050 bitcoins, worth roughly 66.1 billion dollars at prevailing prices and more than 4 percent of the 21 million units the network will ever hold, for an unrealized gain of about 2.4 billion dollars. The company did, however, repurchase 1.81 million of its STRC preferred shares for 176.3 million dollars, drawn from a 1.44 billion dollar cash reserve available as of 7 September, and it doubled its digital credit securities repurchase program from 1 to 2 billion dollars. The previous week, between 24 and 30 August 2026, it had acquired 4,603 bitcoins at an average price of 80,318 dollars, or roughly 369.7 million dollars.

Strategy, formerly MicroStrategy, is the largest corporate bitcoin treasury in the world. Its model consists of raising funds on the markets, through issues of common stock and of preferred securities paying a dividend, then converting those funds into bitcoin held on the balance sheet. Preferred shares such as STRC sit halfway between a stock and a bond: they pay their holders a regular income, which creates a recurring cost for the issuer. Buying those securities back mechanically reduces that cost, at the price of an immediate cash outflow.

This disclosure describes a week of balance sheet management rather than accumulation. For years, Strategy's weekly purchase announcements have served as a closely watched gauge of institutional demand, so a week without a purchase is itself a piece of market information. Chief executive Phong Le also defended the logic of selling bitcoin at lower prices to fund dividends and buying back higher, in a context where the company is seeking to cut debt and rebuild cash.

Worth watching: the next weekly disclosure and whether purchases resume, the use of the repurchase program now raised to 2 billion dollars, and the publication of third quarter 2026 results, which will spell out the accounting effect of these operations.

On 6 September 2026, at block 965,664, Bitcoin's mining difficulty was raised by 1.31 percent to roughly 127.45 trillion. It was the eighth increase recorded in 2026, against ten decreases over the same period: since January, difficulty has fallen about 13 percent, from 146.47 trillion to its current level. Network computing power sits around 934 EH/s on a smoothed basis and remains below the symbolic zettahash threshold of 1,000 EH/s, even though daily readings already brushed against it in early September. Hashprice, meaning the daily revenue earned per unit of computing power, rose 22.24 percent over thirty days to 39.63 dollars per PH/s per day. Over the past day, transaction fees accounted for just 0.43 percent of the total reward paid out to miners.

Difficulty is the automatic setting that keeps one block coming every ten minutes on average. It is recalculated every 2,016 blocks, roughly every two weeks: if miners found blocks too quickly, it goes up; if they were too slow, it goes down. Hashrate measures how many attempts all the machines together make each second to find a valid block. Hashprice combines three elements: the price of bitcoin, the current difficulty, and the fees paid by users. It is the figure operators watch to know whether their machines cover the electricity bill.

These numbers describe an industry becoming more profitable without adding hardware: hashprice climbs sharply while installed capacity stalls, which reflects the bitcoin price rather than an influx of new machines. The very small share of fees, 0.43 percent of rewards, is a reminder that network security today rests almost entirely on the block subsidy, set at 3.125 bitcoins since the April 2024 halving, and therefore on the market price. For a user, stable difficulty and low fees simply mean transactions are cheap to confirm.

Worth watching: the next difficulty adjustment, due about two weeks after the 6 September 2026 one, whether the seven-day average holds above one zettahash, and how the share of fees in miner revenue develops.

US spot Bitcoin ETFs recorded $3.52 billion of net inflows in August 2026, their best month of the year, against $172 million in July. They took in money on 16 of the month's 21 trading sessions, including nine consecutive sessions between 17 and 27 August. Their total net assets rose from $76.29 billion at the end of July to $99.61 billion at the end of August, and trading volume reached $58.63 billion, up 49% month on month. For 2026 as a whole the balance is still negative, but cumulative net outflows narrowed from $5.29 billion to $1.77 billion. Bitcoin gained roughly 25% in August. The trend reversed on the first session of September, with $236.46 million of net outflows, about 85% of it from BlackRock's IBIT alone, as the price slipped back below $77,000.

A spot ETF is an exchange-listed fund that actually holds bitcoin and whose shares track its price. Approved in the United States in January 2024, these funds let an investor gain bitcoin exposure from an ordinary brokerage account without handling private keys. The daily flow figures published by issuers have become a closely watched indicator: a net inflow means the funds created shares and bought bitcoin, a net outflow is the opposite move.

These flows do not set the price on their own, but they measure the demand travelling through regulated market channels. A record month of gathering followed by an immediate reversal shows how mobile that demand is. Concentration is worth noting too: a single fund accounts for most of the daily movement, which makes these statistics sensitive to decisions by a few large holders.

What to watch: the daily flow figures published through September, the next US Federal Reserve monetary policy meeting in mid-September 2026, and the progress of the CLARITY Act on digital asset market structure in the Senate.

On 28 August 2026 Blockstream released Core Lightning 26.06.7, a security update fixing vulnerabilities reported over the previous three weeks. Signed binaries are available immediately, but the matching source code will only be published fourteen days later, on 14 September 2026, giving node operators time to upgrade before the technical details become public. The team advises verifying the binary signatures, installing and restarting. Operators who cannot upgrade right away are told to restart their node with the --offline flag, which stops incoming connections and payment routing while the daemon keeps following the chain. Releases older than 26.06.7 are no longer supported.

Core Lightning is one of the main implementations of the Lightning Network, the payment layer built on top of Bitcoin. A Lightning node permanently locks funds in channels opened with other nodes and has to stay connected to route payments and watch the chain. That is what makes this kind of flaw sensitive: unlike an offline wallet, a routing node exposes a continuously connected attack surface. Shipping fixed binaries first and the source code afterwards is common practice in software security, because a published patch also points to where the problem was.

For an individual holding bitcoin on the base layer, in a hardware wallet or ordinary software, this update changes nothing. It concerns Lightning node operators, merchants, platforms and self-hosting individuals, whose channel funds depend on the daemon working correctly. Nodes temporarily taken offline reduce the routing capacity available on the network, with no mechanical effect on the price or on the base layer.

What to watch: the source code release on 14 September 2026, which will reveal exactly which vulnerabilities were fixed, then version 26.09 announced for September. Operators will then need to rebuild the software from source and check that it matches the binary they installed.