Zhang Yuan pondered for a while, and he frowned and said, "Theoretically, a high-dimensional fragment should not be able to replace the core technology of the fourth-level civilization... I didn't even see the price of curvature technology in the transaction list. This means that its price is at least 50,000 points!"

A conventional technology of a level 3 civilization costs about double digits. For example, a complete production method of a certain electronic chip is only 33.2 amoeba points! There are some simple technologies that can be obtained in just single digits.

A conventional technology of a Level 4 civilization, the price ranges from three to four digits.

But once core technology is involved, its price will rise sharply. In this table, the highest price is a certain subatomic material theory, with a price of 50,000!

Nothing has been written for more than 50,000 yuan. It may be planetary fortresses, curvature technology, etc., so humans may not be able to afford it.

Zhang Yuan sighed and said, "Although the high-dimensional fragments have a high technological content, they are completely like heavenly books for the low-level interstellar civilization. Even a level 4 civilization is not enough to crack the mystery."

"This kind of thing that is not useful can be used as a collectible, at most it is used as an electromagnetic cannonball..."

The high-dimensional fragment has been studied for so long without any major results. Some enthusiasts have designed an acceleration weapon for it, just like an electromagnetic cannon.

Anyway, no matter what material the other party is or even a neutron star, as long as it is hit by this thing, it will still be "eated" part of it.

Speaking of this, Zhang Yuan smiled and said, "If high-dimensional fragments can really be exchanged for curvature navigation technology, then it must be replaced! Those who know that we have virtual space technology are the Amoeba civilization, but the Amoeba civilization is a level 6 civilization. They should not tell all the information they know about to their subordinate civilization."

"What's more, this trading market is monitored by the Amoeba civilization, and there are other level 6 civilizations... The Huantai civilization will not take action in its own market."

"If these speculations are true, there is no big risk in trading this high-dimensional fragment. Ten birds are worse than one bird in the forest... Where is there anything foolproof in the world? Compared with the benefits that can be obtained, the risks paid are worth it."

"Curve technology is our first priority at present."

"Yeah, that's exactly what I thought."

In addition to high-dimensional fragments, another major system that humans can trade is their own unique scientific and new civilization history.

This is an applied mathematics and a discipline of management, which human scientists believe is of great value.

If you sell this discipline, it will not theoretically endanger the security issues of human beings themselves. Just like the capital and the Wealth of Nations, what if you let others know?

Every civilization is different, has different ideology, and has its own unique history. Therefore, according to the history of new civilizations, it will also follow its own unique path, and will not repeat it with human beings, nor will it interfere with human internal affairs.

Of course, the so-called "high value" is also imagined by humans. If the other party bids low, just don't sell it.

The last thing that can be used is virtual world technology. This thing is the core technology of human beings. Although it has high value, it will not be sold.

Even the transaction information I carried was not mentioned in a single word...

The above is all the property owned by humans.

In this discussion, the spacecraft's navigation speed has gradually accelerated, and it is expected that it will take one month to reach the central trading venue.

As time passed, some strange plasma clouds appeared outside the window, just like large clouds floating in the universe, and human transport spacecraft almost navigated in the gaps between the clouds.

Zhang Yuan frowned, thinking that these plasma clouds might be some defensive war weapons.

The various observation devices of the spacecraft were unable to penetrate this thick layer of plasma clouds, and I didn’t know what was in the middle of the clouds.

One of the weapons experts said: "There are a small amount of helium-hydrogen ions in these plasma clouds, which are corrosive to a certain extent. If a spacecraft flies around inside, it will be scrapped soon. Therefore, it should be a defensive method in positional warfare."

Helium hydrogen ions, as the strongest acid in the universe, can react with almost any substance, including various carbon nanomaterials and composite ceramics. The Huantai civilization has also warned human spacecraft not to fly around in the clouds, otherwise the accidents caused will be responsible for themselves.

"...it can defend against lasers and interfere with electromagnetic wave communication, and at the same time it can prevent foreign spacecraft from flying everywhere. A trading market must be orderly."

"But how did such a large plasma clouds come into being? I guess there must be a space fortress in the middle, using super magnetic fields to manipulate these clouds."

"Maybe there are weapons like landmines inside?"

It took nearly 10 days to travel through these vague clouds between the gaps.

Finally, the clouds and mist in front dissipated, and everything in the inner layer of the entire planetary system suddenly became clear, including more than 20 planetary fortresses and two woody planets that can replenish energy.

Human transport aircraft have received various electromagnetic wave information.

Zhang Yuan was slightly excited, and the dullness of traveling through the clouds a few days ago was wiped out.

but……

The planetary battle fortress is really big!

This large transport spacecraft is also huge, but compared to the planet, it is really an ant at the foot of an elephant, no, like a grain of sand in the mountains...

Various huge buildings as huge as the sky are displayed in people's eyes. There is a big round guy, I don't know if it's a cannon barrel or something else, the black hole entrance, and even a "Kunlun Mountain" can be stuffed!

"It should be a planetary engine. It's too violent!"

Planetary fortresses, interstellar civilizations that have lived in the Milky Way for more than 100,000 years, usually choose to develop such super spacecraft. For example, among the home planet of the Badit civilization captured by humans, there is a planetary fortress.

First, most of the inside of this planet needs to be hollowed out, and then a huge engine is installed, and at the same time, it is necessary to ensure that the inside of the planet is strong enough. When it sails, it consumes tens of millions of tons of nuclear fuel in one second, which is simply the most peak violent aesthetic below level 4 civilization.

On a planet 1 million kilometers away, countless spacecraft and robots are coming and going on the planet, so that a huge ditch has been created on the surface of the planet.

This should be a planet that has not yet been fully developed. Now, since the entire trading market will leave in three thousand years, if it is still not completed, it may be dealt with at a low price.

Zhang Yuan and others just glanced a few times. It was impossible for humans to buy anything. Having a planetary fortress is the dream of all mankind... But if you think about it carefully, you can forget it. Without curvature navigation technology, this thing is really not mobile.
Chapter completed!