Cai Wenji is still busy with the waterproofing skills of paper.

Lu Ban had already carved out the coin's mold.

The first time he found Jiang Tian.

Pass the mold to Jiang Tian for review.

"My lord, as requested, the mold for the coin has been made. The anti-counterfeiting mark has also been made according to your instructions, and small and dense dents are made on the side of the coin. These dents seem irregular, but in fact there are several dots.

, I have carved it into a code that cannot be traced..."

When carving these codes, Luban also spent a lot of effort.

after all.

The anti-counterfeiting mark required by Jiang Tian must have a certain degree of aesthetics and be safe enough to be difficult to copy.

so.

Lu Ban racked his brains before he came up with this solution.

After Jiang Tian took the mold and looked at it carefully for a while, he nodded with satisfaction.

He is worthy of being the originator of craftsmanship.

The codes in these dents cannot be seen at all unless you look carefully.

The mold Luban brought was the mold with the number 1.

That is 1 Merchant Alliance Coin.

Next.

Luban also needs to make molds for 5 merchant alliance coins, 10 merchant alliance coins, and 20 merchant alliance coins.

certainly.

In addition to different denominations, these business alliance coins also have slightly different patterns.

Although they are also redbud flowers.

But Luban made changes in the angles of the original paintings.

As for the anti-counterfeiting logo, no other changes have been made.

It is still the same as the mold of this business alliance coin.

"Good job."

"Now that the coin molds are almost done, let's send these molds to Tang Yan and let Tang Yan produce a batch first and take a look."

Think about it.

The quenching gold mine at Tang Yan should be almost quenched.

The purification of gold mines is also a matter of effort.

After getting the gold ore, you must first grind it.

That is to put the ore into a water mill, crush the large pieces of ore through hydraulic action, and then use a stone mill to grind it into powder.

Next comes washing.

The ore powder is placed in water and washed continuously to remove the ore-free part, leaving behind the powder containing more gold.

The jargon is called concentrate powder.

Followed.

That’s when the dough is made and sintered.

As the name suggests, gold-containing powder and rice are mixed together to form pellets, layered with charcoal into piles, the sulfur of the sulfide is removed, and the pellets are sintered into crispy pellets.

After reaching this step, lead reduction smelting begins.

The so-called lead reduction smelting is to mix and smelt the lead in the ore clumps and carry out chemical replacement to form lead lumps containing gold and silver.

Fortunately.

That thing is lead.

When Jiang Tian helped those empires make crowns, he made a lot of them.

Now there is a lot of accumulation.

At this point.

It’s time to carry out the final step - the ash blowing method.

That is to say, lead blocks containing gold and silver are smelted on plant ashes, and oxygen is blown in to remove the lead from the lead blocks.

By blowing away the grass ash, you can harvest high-purity gold.

The method is not difficult.

The difficulty is that the number is too large.

For Tang Yan's blacksmith shop, it was a big project.

As Tang Yan’s blacksmith shop gradually expanded.

In fact, Jiang Tian has arranged many people for Tang Yan.

Except for the old man before.

A dozen additional apprentices were also assigned.

Let them learn the craft from Tang Yan.

And among the old people before.

There was a young man named Xu Shaoyi who became a disciple.

Speaking of this Xu Shaoyi.

Jiang Tian caught them in a batch very early.

He was just kept working behind Tang Yan, so no one paid much attention to him.

later.

After he left the army, Tang Yan also mentioned a few words in front of Jiang Tian.

It is said that Xu Shaoyi is very talented in blacksmithing.

I hope Jiang Tian can open a branch of Xu Shaoyi's blacksmith shop.

only.

Jiang Tian was really busy at that time.

They are all dealing with other things, so this matter has been put on hold for the time being.

Today.

It’s time to make currencies in batches.

Jiang Tian had to think about it.

Should we quickly build a blacksmith shop...

Based on the business alliance's popularity in the sky island world.

It is estimated that it won't be long before the currency issued by the Merchant Alliance will appear all over the world.

By then.

The amount of currency required is an astronomical figure.

Not only that.

Jiang Tian will have a big plan by then.

…

at the same time.

On an empty island.

A short, unattractive man was pacing back and forth.

Sitting at the long table next to him were several men with calm temperaments.

This person is Lao Ma.

The men around him, except Xiao Ma, were all business bosses from the previous world.

At this time.

An older-looking man spoke.

"Lao Ma, are all the things you just said true?"

Just now, Lao Ma announced a big news.
To be continued...