Mira Chen

Mira Chen is up&down's Bitcoin and macro lead. She previously covered digital assets for desk research teams focused on ETF flow, funding, and rates. Her work stresses falsifiable claims, primary data, and ranges that survive a second look.

Comic still life of a coin character, paper stack, and green vault

Bitcoin News

Strategy 8-K: 1,665 BTC bought, STRC bought back

Strategy 28 September 2026 8-K reports 1,665 bitcoin bought with MSTR ATM proceeds in the 21-27 September window and STRC buybacks. Holdings 847,666 BTC as of 27 September.

17 hours ago Mira Chen

Comic illustration of server racks and a gold coin character in a vault room, no text

Bitcoin News

CleanSpark $2.276B close funds Georgia, not bitcoin

CleanSpark closed $2.276 billion of 7.875% notes on September 25, 2026. The 8-K sends the cash to a Georgia data-center SPV, not a parent bitcoin purchase.

3 days ago Mira Chen

Comic still life of a vault, scales, and sealed comment box with no people

Blockchain News

Fed GENIUS drafts are comments, not a live USDC rule

The Federal Reserve asked comment on two GENIUS Act proposals on September 24, 2026 at 2:30 p.m. EDT. This is a Board-supervised issuer comment file, not a live…

4 days ago Mira Chen

Comic still life of a smiling gold coin, cash stacks, and a treasure chest of coins beside a neon candlestick chart. No text.

Bitcoin News

Strategy 8-K: 950 BTC bought, $174M into STRC

Strategy's Sep 21, 2026 8-K bought 950 bitcoin for $75.7 million and spent $174.0 million on STRC. ATM sold no shares. USD Cash was $1.05 billion as of…

1 week ago Mira Chen

Locked vault chest beside blank metal plates in front of a data center, comic illustration with no text

Bitcoin News

CleanSpark priced $2.276B notes; close still pending

CleanSpark priced $2.276 billion of 7.875% senior secured notes due 2031 at 98.5% of par on 18 Sep 2026. Expected close is 25 Sep, so this is still…

1 week ago Mira Chen

Comic illustration of a data-center campus at night with a coin mascot by a pond. No text.

Bitcoin News

CleanSpark $2.227B notes are a pitch, not cash

CleanSpark Sept. 17, 2026 8-K announces a proposed $2.227 billion 2031 note offering for Sandersville. That figure is an ask, not cash received.

2 weeks ago Mira Chen

Comic gold coin between two candles inside a neon range box, gavel resting on the table

Bitcoin News

FOMC 25 bp hike leaves Bitcoin under $80k

The FOMC raised the federal funds target 25 bp to 3.75-4% on 16 Sep 2026, 12-0. CoinGecko Bitcoin was $75,961 at 19:06 UTC, still under $80k.

2 weeks ago Mira Chen

Coin character beside sealed envelopes, a ledger, and a piggy-bank vault on a desk. No people.

Bitcoin News

Strategy paused bitcoin buys: STRC buybacks, not a dump

Strategy's Sept. 14 8-K shows zero ATM sales and zero bitcoin trades Sept. 8-13. Holdings stay 845,050 BTC while USD Cash funds $139.3 million of STRC buybacks.

2 weeks ago Mira Chen

Comic illustration of a mittened robot beside a vault chest and a path of coins, no text

Bitcoin News

Liquid’s 3,996 BTC peg-out is on-chain, not a rumor

Liquid recorded a 3,996.01834922 L-BTC peg-out at 14:06 UTC on 6 Sep 2026. Matching bitcoin confirmed at 14:28 UTC. Explorer data still shows 207.275 BTC outstanding, and whitehat…

3 weeks ago Mira Chen

Comic still life of a coin character behind a cracked candlestick range box and a lantern. No text.

Bitcoin News

Bitcoin cleared $80k on Coinbase. The hold is the story

Coinbase BTC-USD printed a $81,391.96 high on 3 Sep 2026 with last $81,279.71. We call it a range break only if last still sits above $80,000 at 5…

4 weeks ago Mira Chen