Quick answer: A dormant Bitcoin whale moved 471.10 BTC, about $38.3 million, in a single transaction on Oct. 17, 2026 at 17:52 UTC, per mempool.space block data. Whale Alert flagged only a 248 BTC address idle for 12.9 years. About 416.7 BTC of the coins date to 2013, and none has reached a known exchange yet.
A dormant Bitcoin whale has woken up, and the move is bigger than the alert suggested. On Oct. 17, 2026, at 17:55 UTC, Whale Alert reported that an address holding 248 BTC, idle for 12.9 years, had just been activated. Our check of the raw transaction shows the same owner actually moved 471.10 BTC, worth about $38.3 million, in one go.
These coins have sat through every boom and crash since 2013. Their move also lands on a nervous weekend, with Bitcoin pinned near $81,000.
How much Bitcoin did the dormant whale move?
The coins moved in transaction d46a16cc…61dc, confirmed in block 971,894 at 17:52 UTC on Oct. 17, according to mempool.space. It has seven inputs from four old “1…” addresses:
| Address (legacy) | BTC spent | Coins received |
|---|---|---|
| 12txLh…oUm3 | 248.85 | Nov. 12, 2013 |
| 1ECHiG…JCcb | 167.84 | Aug. 20 to Oct. 2, 2013 |
| 12KSwc…yCS | 54.17 | Aug. 13 to 14, 2021 |
| 1K1eMB…hpt | 0.23 | June 7, 2014 |
In total, 416.69 BTC were received in 2013. Because one transaction can only spend coins whose keys the sender controls, all four addresses almost certainly share one owner. On-chain sleuth TxnXray reached the same 471.1 BTC figure.
Why did Whale Alert show only 248 BTC?
Alert bots usually track single addresses, not whole transactions. So the 248.85 BTC address, the largest and longest idle, got the headline. Whale Alert valued that lot at $88,146 when it arrived in 2013. At today’s price, it alone is worth about $20.2 million, a gain of roughly 230 times.
The full transaction is easy to miss. Yet it changes the story from a single holder to a cluster of old wallets moving together.
Where did the 2013 bitcoin go?
Every coin went to 15 fresh SegWit addresses starting with “bc1q”, holding between 10.49 and 43.79 BTC each. The sender paid a fee of just 3,362 satoshis, about $2.73, to move $38 million.
As of block 971,918, around 00:00 UTC on Oct. 18, none of the 15 outputs had moved again. Neither mempool.space nor Whale Alert tagged any of them as exchange wallets. About an hour after the main transfer, at 18:48 UTC on Oct. 17, a tiny 5,554-satoshi change output was swept into one of the new addresses, which further confirms one wallet is behind them all.
Is the whale selling?
There is no sign of it yet. Splitting coins into many mid-sized SegWit outputs is common when holders move to modern wallets, set up new custody, or prepare over-the-counter deals. Each of those is a possibility, not a confirmed motive. A transfer from these addresses to a known exchange would be the signal to watch.
Could quantum fears explain the move?
Possibly, though nobody has said so. One input address, 12KSwc…yCS, had already signed transactions in 2013, which put its public key on the ledger. Coins in addresses like that fall into the “quantum-exposed” group that the new Quantum Alliance says totals 6.04 million BTC. The new bc1q addresses keep their public keys hidden until they are spent. For long-term holders, our self-custody wallet setup guide covers the basics.
What does it mean for the Bitcoin price?
On its own, 471 BTC is small next to daily spot volume. Bitcoin traded at $81,347, down 0.2% in 24 hours, per CoinGecko at 23:52 UTC on Oct. 17.
However, old-coin wake-ups shape sentiment, because traders fear long-term holders cashing out near cycle highs. That fear is louder after recent outflows from US spot crypto ETFs and the MSCI review that could drop Strategy from its indexes. Therefore, if these coins stay put, the event is mostly noise. If they head to an exchange, short-term traders will notice.
Dormant Bitcoin Whale FAQ
How much Bitcoin did the dormant 2013 whale move?
The whale moved 471.10 BTC, about $38.3 million at $81,347, in one transaction confirmed in block 971,894 on Oct. 17, 2026, per mempool.space. About 416.7 BTC of that was received in 2013.
How old were the bitcoins that moved?
The largest lot, 248.85 BTC, arrived on Nov. 12, 2013, and sat untouched for about 12.9 years. Another 167.84 BTC arrived between Aug. 20 and Oct. 2, 2013. The rest came in 2014 and 2021.
Did the whale send the bitcoin to an exchange?
Not as of 00:00 UTC on Oct. 18, 2026. All 471 BTC went to 15 new bc1q addresses, and none was tagged as an exchange wallet by mempool.space or Whale Alert at the time of writing.
Does a dormant whale moving coins mean Bitcoin will drop?
Not necessarily. A wake-up by itself is not a sale; owners often just move old coins to newer wallets. Price pressure usually comes only if the coins reach an exchange and are sold.
This article is for information only. It is not financial advice. Always DYOR (do your own research) before you trade.
