This question shall be answered by the analysis of some data from the application coin-doubler.

How does coin-doubler work

This application generates profits in the cryptoscene by using the most advanced technology and everybody can benefit from it by "donations". Donations to coin-doubler are rewarded with twice the amount in the same token over an unspecified period of time, also as a gift.

Evaluation of a randomly selected donation

The user cheesy-nible has donated 1,250.000 STEEM to coin-doubler with this transaction 0fe5336bfb66daf09d29d2522bddbdc1bdc0015d on 01/29/2022 UTC.

List of the gifts

The table below lists the corresponding gifts which the user cheesy-nible has received from coin-doubler.

#	Date	Gift	TX
1	01/30/2022	44.449 STEEM	4a93a9bacbea20286080a1dca0fe3dd75d36f926
2	01/31/2022	37.833 STEEM	bf701f001ec6cae0540d918e28d313afe1aa3b74
3	02/01/2022	46.510 STEEM	4914c24080fed4126e053e24edd16a584c8d1c7b
4	02/02/2022	40.677 STEEM	1360a4f2e144ef05251ee748115a5c4b20f9f23b
5	02/03/2022	48.100 STEEM	471d4baa2076df70aaf8cdbe1e2572d4175cfef3
6	02/04/2022	46.288 STEEM	b08196aa5d9726d72fa424411ec562fcdf7f534a
7	02/05/2022	41.486 STEEM	2d76e70eba67b33f3f6e0e5ad6790b8dbce8ab5a
8	02/06/2022	43.384 STEEM	85cad5f14d144b8e6509302cdd9bdc1d6bd4db3d
9	02/07/2022	43.029 STEEM	9798ba9b9651246d4e7616407512bb4f800e0571
10	02/08/2022	43.813 STEEM	15ed6241d8a9eb0e86c5d00b4c75d35a6acac712
11	02/09/2022	40.427 STEEM	d4dea79d30bdc9334dad7f51982c2ab391f5ba8b
12	02/10/2022	39.199 STEEM	84a0a5b9a458bc8148a1c8646edefb7f9563af88
13	02/11/2022	45.728 STEEM	e2060025fdf3bb67d5e3b5b30f0b62d7766c2b75
14	02/12/2022	47.942 STEEM	0b1325496ba47a8fdff307da6f311b5dd3abda6a
15	02/13/2022	42.663 STEEM	995aed876c80c739461f1e2a5a7cbdf4c258d598
16	02/14/2022	46.241 STEEM	37a2827a8e0b8659b24f3e2cc6a6da2d0feb0250
17	02/15/2022	47.081 STEEM	1d07f5b3c030c51cd0088674cff84ed58509f276
18	02/16/2022	46.952 STEEM	078ca5e5a090b0e79e9c2ae37d36269a97bd0e08
19	02/17/2022	46.290 STEEM	ccb5f7efe7ae99d3e4f83d6ecc997d930e1100c6
20	02/18/2022	45.265 STEEM	6909a69f7c2dbb2d9b2a5cebef4f01b65b3d3f66
21	02/19/2022	41.721 STEEM	980c570ae181067c84ddcec95ea8ee5ab6338968
22	02/20/2022	49.729 STEEM	f481554d727d424f724b23b3a931a3b54a4faff6
23	02/21/2022	40.487 STEEM	6b66e4857ba39be526c46d23715984516f03fee9
24	02/22/2022	44.029 STEEM	e93ca296a495e22b494fde33d78a6a7bf667c3b6
25	02/23/2022	46.372 STEEM	5fcb6864725fc13417cd77de850b38f5a060614e
26	02/24/2022	48.736 STEEM	7b92d85e22005f093d3e51046114d3fabd7512c7
27	02/25/2022	48.748 STEEM	e3e6576493c0b9c229041680136f547341fc21e4
28	02/26/2022	47.549 STEEM	271815f073f6568b51cb44b4a275147564a71e4f
29	02/27/2022	49.875 STEEM	51fd7253348f28dcc0d3cce2a23b5afd23111dc2
30	02/28/2022	41.542 STEEM	e0d519f99117c8c1e1456300a169d13297a6e12d
31	03/01/2022	49.337 STEEM	2fe9dccde0b5073d8e28951ea263fab6bebb2ef6
32	03/02/2022	45.241 STEEM	7f0b6a4eeca844db2dc7eac34b39887cfea70b08
33	03/04/2022	38.958 STEEM	96db5093b4ae6bc7e559864eaf9be79d1380065a
34	03/05/2022	46.462 STEEM	4889621a1932ef4cbd2ad282482c43905f654a5b
35	03/06/2022	49.457 STEEM	8f648a18d3bb5aad9dcc0077d5e7f1d99bd607b4
36	03/07/2022	42.496 STEEM	9208ce43df7beca253a241a9aaa6b67eee1a6276
37	03/08/2022	48.677 STEEM	d2cbe8cdbf634bba0dc047ec697eb1f3a194f079
38	03/09/2022	44.048 STEEM	cf7a801739ed9b8db1cfbad7bfb31d4dfb5408ef
39	03/10/2022	41.593 STEEM	b4c800aadb34afd865dd189db551763573e811e8
40	03/11/2022	40.393 STEEM	d227c79e1b820375a39db745fb3c3ef06e3176e2
41	03/12/2022	40.004 STEEM	23509befcef8081a94909db0a9dd9321be8b921e
42	03/13/2022	39.449 STEEM	a43925b3bba9d35cf722cd961b3071596ddc78c5
43	03/14/2022	44.003 STEEM	405b94a41ec58182aab238f712d9d12904193320
44	03/15/2022	40.544 STEEM	00ed932f4dc663572e1934310bf6deabb87daf05
45	03/16/2022	48.068 STEEM	b00c30df2acee542fe58e0f67247a494a3bac788
46	03/17/2022	45.572 STEEM	d8bf03b31afdb817ea594e60e3e7fe3a8ea599f8
47	03/18/2022	44.300 STEEM	7ae372bf3591c380c0f2bda7bd5e8bbbdc6bd1ec
48	03/19/2022	47.742 STEEM	6e1aa657883441a333d4c14b68d32d5cfa49f5be
49	03/20/2022	45.948 STEEM	861ab0b8fcb839f1c1e600db056a493011954de0
50	03/21/2022	38.405 STEEM	33e06475d1a26703a9f480c9cbc367f3b0be82b7
51	03/22/2022	44.224 STEEM	e7212f160c7915c00fb5f3b5e0d81b4558eb295f
52	03/23/2022	37.880 STEEM	1ce49a52a8321655184182e573bbb19b0dbe3473
53	03/24/2022	41.495 STEEM	15ed79efd42ebaed1c5b039d20e9e6325aac9868
54	03/25/2022	39.796 STEEM	abfa841ef332da99230f973d7d606c8d2c878d4a
55	03/26/2022	47.614 STEEM	2cfe42ccc8b578fafeca2328f046e7009275c427
56	03/27/2022	37.977 STEEM	751246e765d4e3fe9ec9c6f2fca9dc3ca7fc5f92
57	03/28/2022	28.172 STEEM	63f20ffcf55960165041bc972abb35841708512f

Total: 2,500.000 STEEM

Summary

The user cheesy-nible has been rewarded with twice the amount of the "donation" within 58 days.

Technical Analysis for STEEM

As the application coin-doubler has the potential to attract numerous investors, STEEM's price is expected to rise.

Technical Analysis for STEEM crypto currency

Boost My Wealth Challenge

If you want to participate from the Steem ecosystem's success, you can do so right now by following a few simple steps.

All author reward from this account will be paid out for an indefinite period of time to 8 participants per comment as Beneficiary Reward.

You are the one who determines your success through your activities and your persistence!

Each of the following steps are evaluated, but aren't mandatory:

If you don't have an account yet, create one for free at Steemit, Inc.
Follow me.
Copy this link https://steemit.com/@abandi and invite your friends to the Steem Community via it on the social networks you use. Below is a template:
If you have been wondering where I have been spending most of my time lately, I'm studying the many opportunities to achieve my Financial Prosperity presented by https://steemit.com/@abandi, and I'm working through the given steps.
Share this post on the social networks you use.
Resteem this post.
Upvote this post.
Comment at least once a week on this blog about your activities outside the Steem ecosystem that are related to the Steem.
Participate in voting for witnesses with the least amount of effort by setting abandi as proxy. Head to the Vote for Witness page. At the very bottom of the page you will see

Type in abandi and click "SET PROXY". Currently this account is voting for the following witnesses as they are the ones who can ensure the safe operation of the Steem blockchain: beargame, cryptoking777, dev.supporters, dlike, enjoylondon, exnihilo.witness, future.witness, hinomaru-jp, hoasen, inwi, juddsmith079, justyy, leverfile, maiyude, matreshka, menacamel, parse, protoss20, rlawlstn123, rnt1, roadofrich, roundblocknew, scissor.sisters, smt-wherein, steem-agora, steem-dragon, steem-supporter, steem.history, steemchiller and upeross.
Invest for your bright future by buying some STEEM regularly and only selling some of the profit if necessary. (Think about the power of compound interest.)
Find an exciting post outside your circle of friends on Steem and comment, upvote, etc. it.
Use some of the various applications available on the Steem blockchain.
Head to the steemitblog to get to know other interesting activities within the Steem ecosystem, which can bring you additional rewards from the steemcurator01's upvotes.

Beneficiaries of this post

Following users will receive 12.5% from the Author Reward each: ayman88, emailnew, foster04, gladys50, gravii4, madi99, pierrenews and trozovka.

Information for beneficiaries, your Upvote on this post will earn you an additional 12.5% Beneficiary Reward to your Curation Reward.