71–80 of 118 posts
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You can rent Quantum computing time from IBM cloud today: https://www.ibm.com/quantum/products https://quantum.cloud.ibm.com/docs/en/guides/plans-overview I have NOT used it, but the idea is interesting.
You can rent it, but it's basically worthless at this stage.
One thing I find rather amazing about all of this is the degree to which the Bitcoin community has tried, for years, to claim that quantum computers will be another other than a complete break. Sure, it takes a pretty nice quantum computer or a pretty good algorithm or a degree of malice on the part of miners to break pay-to-script-hash if your wallet has the right properties, but that seems like a pretty weak excuse…
The best proposal I have heard for rescuing P2SH wallets after cryptographically relevant quantum computers exist is to require vulnerable wallets to precommit to transactions a day ahead of time. The precommitment doesn't reveal the public key. When the public key must be exposed as part of the actual transaction, an attacker cannot redirect the transaction for at least one day because they don't have a valid precom…
Can quantum computing do even basic math yet? I think this was the holdup. Or perhaps I'm missing the point.
V. Vedral, A. Barenco, and A. Ekert, Quantum net- works for elementary arithmetic operations, Physi- cal Review A 54, 147 (1996).
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You can rent it, but it's basically worthless at this stage.
Is there anything you can do on a rented QC that you can't do cheaper on a simulated QC on a "classical" CPU/GPU today?
Here's hoping that my stock for D-Wave ends up being worth something. Quantum computing seems super cool, but I've been a little skeptical of it actually ever yielding anything useful. I would love to be wrong, it seems neat, and I have read through a few books on the subject and played with simulators, so I'm not completely talking out of my ass here, but quantum as a whole has kind of felt like vaporware to me. As…
You can rent Quantum computing time from IBM cloud today: https://www.ibm.com/quantum/products https://quantum.cloud.ibm.com/docs/en/guides/plans-overview I have NOT used it, but the idea is interesting.
as always: imho (!)
i've used the ibm quantum platform together with python/qiskit during my last project - which was something like: simulate quantum-networks on "real" quantum-computers...
ibm's support, introductions / documentation anbd usability of the platform is really great.
idk ... not comparable / much better than most of the quantum-computing hardware startups i know / looked at. of course, its easy if you have "deep pockets" like ibm does ... ;))
ok, back to the quantum platform:
it had a free-tier on the "old" quantum-platform - until july 2025: 10 minutes of compute on a set of machines - back then up to 127 qubits - per month ... no identification necessary / just an email-address.
sadly this "very generous" free-tier was killed of during the transition to the all new "quantum cloud platform" during spring/summer 2025 ...
and it really works like a charm :)
just my 0.02€
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You can rent it, but it's basically worthless at this stage.
Is there anything you can do on a rented QC that you can't do cheaper on a simulated QC on a "classical" CPU/GPU today?
yes ... especially if you want to execute quantum-circuits which use a lot of qubits.
why!? one approach of the simulation of quantum-computers rely on the so called "state vector" of the machine, and its memory-usage grows exponentially.
for example qiskit AER
* https://qiskit.github.io/qiskit-aer/stubs/qiskit_aer.Stateve...
just as an example:
for 32 qubits, the simulator needs 64 GB RAM
=?> double the RAM for each additional qubit
so: for 36 qubits, the simulator needs 1 TB RAM
:)
so it gets pretty "costly" to do simulations rather quickly ...
just my 0.02€
Can quantum computing do even basic math yet? I think this was the holdup. Or perhaps I'm missing the point.
I worked at a quantum computing company that builds superconducting QC chips (so, not really applicable to one of the “bombshells” from the article). My team was designing the software stack which allows to control the QC, run quantum jobs/algorithms, and calibrate the parameters. I’ve made two attempts to explain the work we’ve been doing and to explain the current realistic state of the industry: 1. A talk at PyCon…
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I’m impressed by the BTC obsession: this will definitely impact the banking sector as a whole even before. Quantum FUD, here we come.
The banking sector can relatively trivially move to a new encryption scheme - this is one of the huge advantages of centralized systems. Also, the banking sector, rather than trying to provide anonymity/pseudonimity, has KYC - they can relatively simply disable remote access if they think a current system is no longer secure, and get everyone to come in to a physical office and get a secure version, after manually ve…
After all these years of it not being required? I think that's... very naive with regard to how clients would respond.