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Intangible assets - Changes in intangible assets (Details) - BRL (R$) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Changes in intangible assets |  |
Balance at the beginning | R$ 224,516,000 | R$ 79,248,000
Addition | 303,630,000 | 197,891,000
Write-offs | (47,898,000) | (13,463,000)
Business combination | 1,300,000 | 8,000
Amortization or Impairment | (51,044,000) | (39,168,000)
Balance at the end | R$ 430,504,000 | 224,516,000
Number of projects that had significant additions | 3 |
License of Use Software |  |
Changes in intangible assets |  |
Balance at the beginning | R$ 29,489,000 | 8,158,000
Addition | 99,483,000 | 55,159,000
Write-offs | (40,435,000) | (1,561,000)
Transfer | (3,350,000) |
Business combination |  | 8,000
Amortization or Impairment | (38,037,000) | (32,275,000)
Balance at the end | 47,150,000 | 29,489,000
Development costs |  |
Changes in intangible assets |  |
Balance at the beginning | 69,144,000 |
Addition | 3,903,000 |
Transfer | 51,638,000 | 74,407,000
Amortization or Impairment | (9,268,000) | (5,263,000)
Balance at the end | 115,417,000 | 69,144,000
Customer portfolio |  |
Changes in intangible assets |  |
Balance at the beginning | 7,710,000 |
Addition | 1,631,000 | 9,340,000
Amortization or Impairment | (3,739,000) | (1,630,000)
Balance at the end | 5,602,000 | 7,710,000
Goodwill |  |
Changes in intangible assets |  |
Balance at the beginning | 38,964,000 |
Addition | 51,737,000 | 38,964,000
Business combination | 1,000 |
Balance at the end | 90,702,000 | 38,964,000
Intangible in progress |  |
Changes in intangible assets |  |
Balance at the beginning | 79,209,000 | 71,090,000
Addition | 146,876,000 | 94,428,000
Write-offs | (7,463,000) | (11,902,000)
Transfer | (48,288,000) | (74,407,000)
Business combination | 1,299,000 |
Balance at the end | R$ 171,633,000 | R$ 79,209,000

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- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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